{
  "schema": "canli.company-reference.v1",
  "cik": "0000941138",
  "name": "UNS Energy Corp",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000941138.json",
  "source_sha256": "ba95c2cf3a523c853f2be9a8d62fca0f59532121f40396db74e07718692cfab6",
  "fetched_at": "2026-09-22T19:34:43.442Z",
  "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": "2013-12-31",
          "val": 4273069000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 4140429000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 3989279000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3791243000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 3601242000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-12-31",
          "val": 1130784000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1065465000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 888474000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 830756000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 759329000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 686095000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 690075000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2007Q4I",
          "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": "2013-12-31",
          "val": 74878000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 123918000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 76390000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 67599000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 76922000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 55172000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 90373000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2007Q4I",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 420512000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 348109000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 337320000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 337320000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 342359000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 346920000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 343197000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 347310000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 273767000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 325886000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 307277000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 374122000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 374122000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 265141000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 279240000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 282991000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 294020000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 354080000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 1484560000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1461766000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1478702000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 1478702000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1453677000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 1425947000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1396701000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 1397052000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1410066000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": -135742000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -37682000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -1441000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": -1441000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -51183000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": -51183000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -28916000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": -28916000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 140605000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": -333810000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -262899000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -327088000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": -327088000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -300499000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": -305060000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -292531000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": -296644000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -449573000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-12-31",
          "val": 247532000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 193117000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 172655000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 124838000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 60461000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 41618000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40362000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 36962000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "shares"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 36962000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 36415000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "shares"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 36415000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 35858000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "shares"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 35858000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 35632000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 41975000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 41755000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 41609000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "shares"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 41609000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 41041000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 40450000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 3.06,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2.25,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2.98,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD/shares"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 2.98,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3.06,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD/shares"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 3.1,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.91,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD/shares"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 2.95,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 0.39,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 3.04,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2.2,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2.75,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD/shares"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 2.75,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2.82,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD/shares"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 2.86,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.69,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD/shares"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 2.73,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 0.39,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 58427000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 55727000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 66951000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 66951000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 78266000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 76921000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 64348000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 63232000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 16975000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 3399000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2573000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2599000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 2599000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 2751000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 2779000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 271496000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 251795000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 281707000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 281707000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 296952000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 297114000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 252333000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 252860000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 140443000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-12-31",
          "val": 490873000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 551753000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 501584000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 431028000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 446305000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 93375000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 105352000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 112358000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 112358000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 110824000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 110824000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 108570000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 108570000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 119010000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-12-31",
          "val": 516891000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 399129000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 422519000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 463056000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 385696000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1213064000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1209971000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1196995000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2011",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CommonStockSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Common shares outstanding",
      "kind": "instant",
      "unitKind": "shares",
      "meaning": "Common shares outstanding at the reporting date. This point-in-time count differs from the weighted-average shares used for earnings per share and can exclude other share classes.",
      "observations": [
        {
          "end": "2013-12-31",
          "val": 41538343,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 41343851,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 36918024,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 36541954,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "shares"
        },
        {
          "end": "2009-12-31",
          "val": 35851185,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "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": "2013-12-31",
          "val": -6049000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": -9790000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": -10084000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": -9769000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": -5802000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-12-31",
          "val": 1507070000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1498442000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1517373000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1409977000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 1319990000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-12-31",
          "val": 6032038000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 5717058000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 5528526000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 5247273000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 5012447000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-12-31",
          "val": 24430000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 20559000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 32199000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 30425000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 24993000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "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": "2013-12-31",
          "val": 86390000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 99278000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 113163000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 117273000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 86470000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Pre-tax income or loss from continuing operations",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 185905000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 146646000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 176926000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 176926000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 189905000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 127478000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 90919000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 109975000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 109975000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 111477000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 112984000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 104258000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 105901000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 14021000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 131219000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 91213000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 109660000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 109660000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 107510000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 109017000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 105311000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 106954000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 18831000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 149615000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 141303000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 133832000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 133832000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 128215000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "DepreciationDepletionAndAmortization",
      "taxonomy": "us-gaap",
      "label": "Depreciation, depletion and amortization",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Combined depreciation, depletion and amortization for the period. A noncash allocation of asset cost, not a measure of maintenance spending.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 177172000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 177087000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 164815000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 165000000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 156000000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 176000000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NonoperatingIncomeExpense",
      "taxonomy": "us-gaap",
      "label": "Nonoperating income or expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Total nonoperating income or expense, which can include interest, investment results and other items. A positive value is not operating profit.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 7784000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 203000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 7577000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 7577000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 3615000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 3615000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 24843000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 24843000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 9563000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": -13000000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -4000000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -9000000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2011",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 83501000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 60264000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 75515000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 75787000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 28142000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 57452000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestPaidNet",
      "taxonomy": "us-gaap",
      "label": "Interest paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash interest paid during the period, net of amounts capitalized where the filer reports it that way. It differs from interest expense recognized.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 66610000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 69478000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 68027000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 68027000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 59749000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 59749000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 54641000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 54641000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 58774000,
          "accn": "0000950123-11-020431",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-03-01",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ProceedsFromIssuanceOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Proceeds from issuing common stock",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash received from issuing common stock during the period. It is gross of costs only where the filer reports it so, and it does not include noncash issuances.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 464000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2011",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 6338000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -3369000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -2743000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 2743000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": -8851000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": -6458000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncreaseDecreaseInInventories",
      "taxonomy": "us-gaap",
      "label": "Change in inventories",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "The cash flow adjustment for the change in inventories during the period. A positive value under this concept means inventory grew and reduced operating cash flow.",
      "observations": [
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -16197000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 39429000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 20864000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": -20864000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 21744000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 24621000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2013-01-01",
          "end": "2013-12-31",
          "val": 3223000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 595000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 8792000,
          "accn": "0000941138-14-000045",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-25",
          "unit": "USD"
        },
        {
          "start": "2010-12-31",
          "end": "2011-12-31",
          "val": 8792000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-31",
          "end": "2010-12-31",
          "val": 2661000,
          "accn": "0001193125-13-077847",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-31",
          "end": "2009-12-31",
          "val": 8243000,
          "accn": "0001193125-12-082165",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/ba95c2cf3a523c853f2be9a8d62fca0f59532121f40396db74e07718692cfab6.json.gz"
}
