{
  "schema": "canli.company-reference.v1",
  "cik": "0001344376",
  "name": "Aegean Marine Petroleum Network Inc.",
  "selection_policy": "extended-v23",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001344376.json",
  "source_sha256": "424db9c07e3338a62c05123ecab5d8f57c619ca72d0123f4645cfef59f18cfe1",
  "fetched_at": "2026-09-22T19:44:16.888Z",
  "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": "2016-12-31",
          "val": 1600933000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1450011000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1488315000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1616185000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1431843000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1472438000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1339835000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 589533000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 616887000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 567416000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 543455000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 500666000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 478062000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 470363000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 93836000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 139314000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 129551000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 62575000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 77246000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 68582000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 86499000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 54841000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 46927000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 51871000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 34841000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 16090000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 27063000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 20077000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10228000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18733000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 48525000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": -47615000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 49727000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 182206000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 40583000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 123519000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -44865000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -64626000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -61353000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4076219000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4231654000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6661801000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6334729000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7258960000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6965465000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4971635000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2470960000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 5763000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -28254000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -50280000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 125978000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -57127000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 73169000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 265287000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 144497000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": -3788000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -7614000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -59494000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -181821000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -58162000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -45589000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -169003000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -75230000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 200231000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 251632000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 224317000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 209130000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 183951000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 165734000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 157370000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 44919189,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 47271582,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 46271716,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 45677249,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 45473360,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 45979761,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 46295973,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 42579187,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 44919189,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 47271582,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 46271716,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 45677249,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 45473360,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 45979761,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 46445499,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 42644448,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 1.11,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.71,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.34,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.58,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.44,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.22,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.4,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.13,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1.11,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0.71,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0.34,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0.58,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 0.44,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0.22,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 0.4,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.13,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 4358000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 4485000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1964000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -978000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4122000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 5428000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2161000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 153000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 591440000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 618199000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 640426000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 605085000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 569530000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 539905000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 528320000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 12229000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 10042000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 8774000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 4497000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 4406000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 3963000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4084000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 3458000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 94079000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 76574000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 57916000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 48753000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 55045000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 43503000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 41826000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 59216000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 909252000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 730950000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 736328000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 896730000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 786604000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 851991000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 733199000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "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": "2016-12-31",
          "val": 497712000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 393748000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 533735000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 652277000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 734751000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 650810000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 520378000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 503751000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 309874000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 354223000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 469921000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 474235000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 525096000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 439682000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 99580000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 0,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 0,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 0,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 19000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4628000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 24680000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 259405000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 255255000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 279178000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 237239000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 247604000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 232795000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 185456000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 130254000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 187766000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 114531000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 156990000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 303297000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 180826000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 204057000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 155018000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 353484000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 331829000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 337094000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 285992000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 302649000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 276298000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 227282000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 189470000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 3722735000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 3899825000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 6324707000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 6048737000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 6956311000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 6689167000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 4744353000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2281490000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2016-12-31",
          "val": 39403822,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "shares"
        },
        {
          "end": "2015-12-31",
          "val": 49410853,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "shares"
        },
        {
          "end": "2014-12-31",
          "val": 48271353,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "shares"
        },
        {
          "end": "2013-12-31",
          "val": 47272020,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "shares"
        },
        {
          "end": "2012-12-31",
          "val": 46581399,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "shares"
        },
        {
          "end": "2011-12-31",
          "val": 46229231,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "shares"
        },
        {
          "end": "2010-12-31",
          "val": 46709420,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "AdditionalPaidInCapital",
      "taxonomy": "us-gaap",
      "label": "Additional paid-in capital",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Capital contributed above par value under this concept. It records historical contributions, not the current value of the equity or cash on hand.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 418215000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 394068000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 371924000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 363160000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 345556000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 341154000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 337196000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest",
      "taxonomy": "us-gaap",
      "label": "Total equity including noncontrolling interests",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Equity including the portion attributable to noncontrolling interests. It is larger than or equal to parent stockholders equity and is not market capitalization.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 589591000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 616887000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 563816000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 541646000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 504518000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 479542000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 470363000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 335057000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 285003000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LongTermDebt",
      "taxonomy": "us-gaap",
      "label": "Long-term debt",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Long-term borrowings under this concept, which can include the current portion depending on presentation. It is not total liabilities and may exclude leases and other obligations.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 545232000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 467163000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 421902000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 451727000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IntangibleAssetsNetExcludingGoodwill",
      "taxonomy": "us-gaap",
      "label": "Net intangible assets excluding goodwill",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 7708000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 8778000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 15507000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 18830000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 18518000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 20023000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 19984000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherAssetsNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 713000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1046000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 925000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 179000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 159000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 158000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 103000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OtherLiabilitiesNoncurrent",
      "taxonomy": "us-gaap",
      "label": "Other noncurrent liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Noncurrent liabilities the filer does not present separately. The composition differs by filer and is described only in the filing.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 3240000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 2273000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 2272000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 931000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1405000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 2541000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 3507000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PrepaidExpenseAndOtherAssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Prepaid expenses and other current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Prepayments and other current assets grouped under this concept. The balance is not cash and its composition differs by filer.",
      "observations": [
        {
          "end": "2016-12-31",
          "val": 95885000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 116004000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 54901000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 38707000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 32132000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 31573000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 26150000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2010Q4I",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 51929000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 34841000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 16139000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 27030000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 22449000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 11708000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18733000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 48525000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLossAvailableToCommonStockholdersBasic",
      "taxonomy": "us-gaap",
      "label": "Net income available to common stockholders",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net income after preferred dividends and similar adjustments, the numerator for basic earnings per share. It can be lower than reported net income.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 49793000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 33449000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 15463000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 26324000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 19681000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 10085000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18562000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "General and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "General and administrative costs reported under this concept, separate from selling expense. Filers group overhead differently, so compare presentation before comparing companies.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 49757000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 43318000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 38099000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 29727000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 29897000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 29806000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 27503000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 24553000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Depreciation",
      "taxonomy": "us-gaap",
      "label": "Depreciation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 24941000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 25799000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 21325000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 20467000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 22102000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 21755000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 21092000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 16792000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AmortizationOfIntangibleAssets",
      "taxonomy": "us-gaap",
      "label": "Amortization of intangible assets",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Amortization recognized on finite-lived intangible assets. It follows acquisition accounting and does not indicate the intangibles are losing usefulness at that rate.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1070000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1421000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3323000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1603000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1505000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1461000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": -37792000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -37248000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -39813000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -22701000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -28474000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -26367000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -20932000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -10538000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CurrentIncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Current income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2921000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2097000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2053000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 1437000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2388000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -89000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -1400000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 428000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -358000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -589000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 153000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 26126000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 21501000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 21447000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 15779000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 20545000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 19037000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 9872000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 7727000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "IncomeTaxesPaidNet",
      "taxonomy": "us-gaap",
      "label": "Income taxes paid, net",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash income taxes paid net of refunds during the period. It differs from income tax expense and can reflect prior years and estimated payments.",
      "observations": [
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2065000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 936000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 3388000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 737000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 7467000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 4093000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1822000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1788000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2012-01-01",
          "end": "2012-12-31",
          "val": 0,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 147109000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 0,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 188049000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -40744000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -117925000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -4606000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -48278000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 84843000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 70342000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 144792000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "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": "2016-01-01",
          "end": "2016-12-31",
          "val": 73235000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -42459000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -146307000,
          "accn": "0000919574-17-004377",
          "fy": 2016,
          "fp": "FY",
          "form": "20-F",
          "filed": "2017-05-16",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 25081000,
          "accn": "0000919574-16-012662",
          "fy": 2015,
          "fp": "FY",
          "form": "20-F",
          "filed": "2016-04-28",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -23231000,
          "accn": "0000919574-15-004526",
          "fy": 2014,
          "fp": "FY",
          "form": "20-F",
          "filed": "2015-05-15",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 49039000,
          "accn": "0000919574-14-002747",
          "fy": 2013,
          "fp": "FY",
          "form": "20-F",
          "filed": "2014-04-25",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 8351000,
          "accn": "0000919574-13-003665",
          "fy": 2012,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2013-05-23",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 84785000,
          "accn": "0000919574-12-003082",
          "fy": 2011,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2012-05-08",
          "frame": "CY2009",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/424db9c07e3338a62c05123ecab5d8f57c619ca72d0123f4645cfef59f18cfe1.json.gz"
}
