{
  "schema": "canli.company-reference.v1",
  "cik": "0000090168",
  "name": "SIFCO Industries, Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000090168.json",
  "source_sha256": "4012082bee51c0d9b9a4a0ecfa33634f200a424b5c30f1ac092e44216ceca71b",
  "fetched_at": "2026-09-19T14:52:21.873Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 73394000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 104624000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 96281000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 97266000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 110668000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 121948000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 96099000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 102237000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 110887000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 130457000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 156689000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 109697000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 105765000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 106545000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 80011000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 69650000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 36885000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 30425000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 34335000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 40690000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 49622000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 45523000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 36054000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 44189000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 50131000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 60370000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 73069000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 76620000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 72013000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 60142000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 53409000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 48039000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2010Q3I",
          "unit": "USD"
        },
        {
          "end": "2009-09-30",
          "val": 45245000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2009Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 491000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 1714000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 21000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 1174000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 346000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 427000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 341000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 1252000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 1399000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 471000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 667000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 4596000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 4508000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 7176000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 5096000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 18671000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2010Q3I",
          "unit": "USD"
        },
        {
          "end": "2009-09-30",
          "val": 19875000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2009Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": -729000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": -5383000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -8692000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -9640000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -743000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 9191000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -7506000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -7170000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -14209000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -11335000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -2872000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 5023000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 10234000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 6548000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 7449000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 5362000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -1363000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 298000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 3892000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 449000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 5729000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 1295000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 11995000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 12281000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 9767000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 10220000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 9878000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 84815000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 79633000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 66067000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 83902000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 99591000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 113573000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 112454000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 111212000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 2881000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 3734000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -3111000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 822000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -5869000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -2104000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -8802000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -10422000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 19367000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 283000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -1330000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -2434000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -3192000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -878000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -1198000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -767000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 688000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -2269000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -2074000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": -28397000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": -22713000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": -9731000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 17152000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 17881000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 23264000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 31956000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 41596000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 42339000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 33148000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-10-01",
          "val": 40695000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 37097000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 44267000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 58476000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 69811000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 72683000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 68750000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 59597000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 54122000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 47733000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 6055000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 5996000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 5929000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 5830000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 5759000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 5661000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 5566000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 5523000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 5487000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 5475000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 5438000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 5402000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 5363000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 5317000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 5271000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 5300000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 6055000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 5996000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 5929000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 5830000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 5759000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 5791000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 5566000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 5523000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 5487000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 5475000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 5438000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 5424000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 5401000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 5380000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 5324000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 5344000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": -0.12,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": -0.9,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -1.47,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -1.65,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -0.13,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 1.62,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -1.35,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -1.3,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -2.59,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -2.07,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -0.53,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 0.93,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 1.91,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 1.23,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 1.41,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 1.01,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": -0.12,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": -0.9,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -1.47,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -1.65,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -0.13,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 1.59,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -1.35,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -1.3,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -2.59,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -2.07,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -0.53,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 0.92,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 1.9,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 1.22,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 1.4,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 1,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 185000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 37000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 16000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -43000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -1222000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": -211000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -701000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -361000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 1069000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -1998000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -2444000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 2753000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 4088000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 2861000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 3789000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 3032000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2019-09-30",
          "val": 39610000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 35390000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 39508000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 48958000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 54865000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 37148000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 29632000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 28495000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 27558000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 20749000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 180000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": -5150000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": -9003000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -14070000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": -1102000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 10143000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": -7044000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": -5914000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": -11534000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": -12065000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": -5743000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 8087000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 13766000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 9021000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 10855000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 7915000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 35091000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 54323000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 41474000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 38778000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 47573000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 55206000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 49458000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 49583000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 52134000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 58075000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 71535000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 52901000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 52750000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 51906000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 39658000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 47966000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 1348000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 645000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 638000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 886000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 1053000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 2139000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 2208000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 1715000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 584000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 201000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 342000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 471000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 128000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 71000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 22240000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 54010000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 41239000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 32589000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 35966000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 43297000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 46684000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 47817000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 45725000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 50763000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 33150000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 19154000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 19921000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 16731000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 14434000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 12334000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 5796000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 11574000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 11024000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 10387000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 9811000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 14002000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 19799000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 15513000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 12817000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 14520000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 14201000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 10526000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 6773000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 8864000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 9778000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 7939000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 3493000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 3493000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 3493000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 3493000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 3493000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 3493000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 3493000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 12020000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 12170000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 11748000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 16480000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 7658000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 7620000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 7015000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 3493000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 0,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2023-09-30",
          "val": 278000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 477000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 874000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 1890000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 3320000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 5076000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 6814000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 11138000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 13265000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 11490000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 13651000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 14627000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 8506000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 0,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 62000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 0,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 0,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 692000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 115760000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 96502000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 75355000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2025-09-30",
          "val": 4192000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "unit": "USD"
        },
        {
          "end": "2024-09-30",
          "val": 6230000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024Q3I",
          "unit": "USD"
        },
        {
          "end": "2023-09-30",
          "val": 4547000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023Q3I",
          "unit": "USD"
        },
        {
          "end": "2022-09-30",
          "val": 8969000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022Q3I",
          "unit": "USD"
        },
        {
          "end": "2021-09-30",
          "val": 12546000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021Q3I",
          "unit": "USD"
        },
        {
          "end": "2020-09-30",
          "val": 15569000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020Q3I",
          "unit": "USD"
        },
        {
          "end": "2019-09-30",
          "val": 10509000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019Q3I",
          "unit": "USD"
        },
        {
          "end": "2018-10-01",
          "val": 11727000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "unit": "USD"
        },
        {
          "end": "2018-09-30",
          "val": 18269000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018Q3I",
          "unit": "USD"
        },
        {
          "end": "2017-09-30",
          "val": 20381000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017Q3I",
          "unit": "USD"
        },
        {
          "end": "2016-09-30",
          "val": 28496000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016Q3I",
          "unit": "USD"
        },
        {
          "end": "2015-09-30",
          "val": 27943000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015Q3I",
          "unit": "USD"
        },
        {
          "end": "2014-09-30",
          "val": 18919000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014Q3I",
          "unit": "USD"
        },
        {
          "end": "2013-09-30",
          "val": 18340000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2013Q3I",
          "unit": "USD"
        },
        {
          "end": "2012-09-30",
          "val": 16587000,
          "accn": "0000090168-13-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-11-27",
          "frame": "CY2012Q3I",
          "unit": "USD"
        },
        {
          "end": "2011-09-30",
          "val": 10239000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011Q3I",
          "unit": "USD"
        },
        {
          "end": "2010-09-30",
          "val": 6272000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010Q3I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 10585000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 5982000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 3345000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": -1855000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 11205000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 19962000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 10637000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 10102000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 13364000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 12082000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 15732000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 25329000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 27358000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 21806000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 10395000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 11128000,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2022-10-01",
          "end": "2023-09-30",
          "val": 12276000,
          "accn": "0000090168-24-000060",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-12-26",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-10-01",
          "end": "2022-09-30",
          "val": 11909000,
          "accn": "0000090168-23-000083",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-01-02",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-10-01",
          "end": "2021-09-30",
          "val": 13484000,
          "accn": "0000090168-22-000053",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-12-23",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-10-01",
          "end": "2020-09-30",
          "val": 14022000,
          "accn": "0000090168-21-000041",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-12-10",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 15274000,
          "accn": "0000090168-20-000042",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-12-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 15216000,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 17773000,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 17359000,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 19167000,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-10-01",
          "end": "2014-09-30",
          "val": 15084000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-10-01",
          "end": "2013-09-30",
          "val": 11605000,
          "accn": "0000090168-16-000058",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-01-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 9906000,
          "accn": "0000090168-14-000031",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-12-02",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 13582000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-10-01",
          "end": "2010-09-30",
          "val": 11860000,
          "accn": "0001193125-11-327025",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-12-01",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2024-10-01",
          "end": "2025-09-30",
          "val": 0,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-10-01",
          "end": "2024-09-30",
          "val": 0,
          "accn": "0001628280-25-058405",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-12-22",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2018-10-01",
          "end": "2019-09-30",
          "val": 0,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-10-01",
          "end": "2018-09-30",
          "val": 0,
          "accn": "0000090168-19-000040",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-12-16",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2016-10-01",
          "end": "2017-09-30",
          "val": 0,
          "accn": "0000090168-18-000025",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-12-06",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-10-01",
          "end": "2016-09-30",
          "val": 0,
          "accn": "0000090168-17-000030",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-12-20",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-10-01",
          "end": "2015-09-30",
          "val": 0,
          "accn": "0000090168-16-000108",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-12-06",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2011-10-01",
          "end": "2012-09-30",
          "val": 1046000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-10-01",
          "end": "2011-09-30",
          "val": 946000,
          "accn": "0001193125-12-487065",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-11-30",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/4012082bee51c0d9b9a4a0ecfa33634f200a424b5c30f1ac092e44216ceca71b.json.gz"
}
