{
  "schema": "canli.company-reference.v1",
  "cik": "0000918581",
  "name": "CIBER INC",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000918581.json",
  "source_sha256": "a3ddd2328391b85e9b06496feca3ace495b32490c8dc0f556325a23a3c0e3484",
  "fetched_at": "2026-09-22T19:36:05.616Z",
  "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": "2015-12-31",
          "val": 502271000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 533943000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 557818000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 580471000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 625070000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 722364000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 182374000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 207867000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 204760000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 221518000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 268063000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 302864000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-12-31",
          "val": 319311000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 325498000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 352535000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 358567000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 357166000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 419693000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-12-31",
          "val": 20404000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 45858000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 44483000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 58849000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 65567000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 69329000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 67424000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 48849000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2008Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 3302000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -19604000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -14520000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -14627000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -67261000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -77160000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": -26509000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1186000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 23942000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -1677000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 31522000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 35121000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 81547000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 12158000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8178000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5213000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3243000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 12974000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7571000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 8609000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 786955000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 863607000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 877293000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 865597000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 888386000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 881623000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 920087000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 15084000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 12584000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -29933000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": -12158000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -9023000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -5526000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 34511000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -16326000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -17570000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -13389000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-12-31",
          "val": -17903000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -18348000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 4887000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 24032000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 44337000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 118113000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 79085000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 77593000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 74846000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 73166000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 71831000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 69626000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 67996000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 79918000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 77593000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 74846000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 73166000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 71831000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 69626000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 68107000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.94,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1.11,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.22,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2011-01-01",
          "end": "2011-12-31",
          "val": -0.94,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -1.11,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0.22,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 6562000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 5935000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6428000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 11024000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 32320000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -22849000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 6410000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-12-31",
          "val": 22447000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 14115000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 12923000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 13683000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 17827000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 25023000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 7870000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 11405000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 11746000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7282000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4540000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3875000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3543000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 11751000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -9798000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 519000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 12668000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -10402000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -70925000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 23522000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-12-31",
          "val": 216245000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 246022000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 256659000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 283160000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 297310000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 345312000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 1582000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1639000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2539000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 5976000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 7898000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6553000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 5769000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-12-31",
          "val": 110329000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 160918000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 170731000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 177692000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 204492000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 212948000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-12-31",
          "val": 34980000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 32926000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 34223000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 30775000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 35112000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 47835000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-12-31",
          "val": 256736000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 267587000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 281714000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 276599000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 275504000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 294644000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 169501000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 173450000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 189382000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 200257000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 182359000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 216286000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 1600000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3596000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1840000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2444000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4998000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 204142000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 222666000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 223057000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 223478000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 228719000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011",
          "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": "2015-01-01",
          "end": "2015-12-31",
          "val": 188415000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 206040000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 205615000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 202185000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 216867000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 213740000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 205688000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedOtherComprehensiveIncomeLossNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Accumulated other comprehensive income or loss",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative other comprehensive items after tax, such as translation and unrealized hedging or securities effects. These amounts have not passed through net income.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": -32702000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": -17243000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 3096000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 208000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -7006000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 661000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 319897000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 326076000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 353058000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 358953000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 357007000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 419500000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 506246000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 453324000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 33450000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 11402000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 26127000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 66951000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentGross",
      "taxonomy": "us-gaap",
      "label": "Gross property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 60296000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 60986000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 61423000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 61542000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 61444000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Accumulated depreciation on property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 37849000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 46871000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 48500000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 47859000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 43617000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 58159000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 6843000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 6219000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 6522000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 7029000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5888000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 9318000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 8794000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 8465000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 10119000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2188000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 6729000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5878000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 26340000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 26714000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 22794000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 24054000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 25041000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 23379000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredTaxAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net deferred tax assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.",
      "observations": [
        {
          "end": "2015-12-31",
          "val": 2625000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 3727000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1732000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 2544000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 18168000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProfitLoss",
      "taxonomy": "us-gaap",
      "label": "Profit or loss including noncontrolling interests",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income or loss including the portion attributable to noncontrolling interests. It can differ from the net income attributable to the parent that per-share figures use.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3310000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -19549000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -14531000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -14082000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -67232000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -77690000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 15116000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ComprehensiveIncomeNetOfTax",
      "taxonomy": "us-gaap",
      "label": "Comprehensive income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -12157000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -39943000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -11632000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -7413000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -74928000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -88692000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -67261000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -77160000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 14958000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 5482000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 5552000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5797000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7366000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 7939000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 6663000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 11191000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 332000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 192000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 644000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1534000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3213000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 4674000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherNonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Other nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -15000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -1385000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 841000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 259000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -2540000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 61000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 338000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2914000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3019000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3722000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6132000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5420000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7054000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DeferredIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Deferred income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The deferred portion of income tax expense or benefit, arising from timing differences. It is not tax paid in the period.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3648000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2916000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2706000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4892000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 26900000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -29903000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 77000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -1467000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 4444000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5714000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6182000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 8616000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2825000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsReceivable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts receivable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in receivables during the period. A positive value under this concept means receivables grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4179000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -3029000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -2401000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 13529000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -30831000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 41939000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -20040000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInAccountsPayable",
      "taxonomy": "us-gaap",
      "label": "Change in accounts payable",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in payables during the period. A positive value under this concept means payables grew and added to operating cash flow.",
      "observations": [
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2731000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 220000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 3786000,
          "accn": "0000918581-16-000141",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-18",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4240000,
          "accn": "0000918581-15-000025",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-20",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -13640000,
          "accn": "0000918581-14-000014",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-19",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 16607000,
          "accn": "0001047469-13-001715",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-26",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -1732000,
          "accn": "0001047469-12-002437",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-03-12",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/a3ddd2328391b85e9b06496feca3ace495b32490c8dc0f556325a23a3c0e3484.json.gz"
}
