{ "schema": "canli.company-reference.v1", "cik": "0001087423", "name": "RED HAT INC", "selection_policy": "extended-v23", "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001087423.json", "source_sha256": "815d8c72704c120721e5a4e3a7b56bc709bada2ca44f6c32dac813deff2d4d6a", "fetched_at": "2026-09-22T19:39:42.325Z", "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": "2019-02-28", "val": 5588289000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 5474493000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 4540062000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 4155099000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 3784569000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 3079070000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 2813660000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 2491099000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 2199322000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 1870872000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-02-28", "val": 1753636000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2009Q1I", "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": "2019-02-28", "val": 1613932000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 1478124000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2017-02-28", "val": 1252166000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 1337591000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 1288338000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 1551165000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 1520161000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 1398817000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 1290699000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 1111052000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-02-28", "val": 1106053000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009Q1I", "unit": "USD" }, { "end": "2008-02-29", "val": 951191000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008Q1I", "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": "2017-02-28", "val": 1090808000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "unit": "USD" }, { "end": "2016-02-29", "val": 927778000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "unit": "USD" }, { "end": "2015-02-28", "val": 1047473000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 646742000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 487084000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 549217000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 642630000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 388118000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-02-28", "val": 515548000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009Q1I", "unit": "USD" }, { "end": "2008-02-29", "val": 677720000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008Q1I", "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": "2018-03-01", "end": "2019-02-28", "val": 433988000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 261851000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 255390000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 199365000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 180201000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 178292000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 150204000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 146626000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 107278000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 87253000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 78721000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2018-03-01", "end": "2019-02-28", "val": 1012782000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 923138000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 783717000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 736323000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 465297000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 391883000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 290748000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 255249000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 236439000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 61266000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 84967000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 69123000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 41553000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 45648000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 79587000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 85671000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 46269000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 32759000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 28420000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 24485000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "Revenues", "taxonomy": "us-gaap", "label": "Revenue", "kind": "duration", "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.", "observations": [ { "start": "2017-03-01", "end": "2018-02-28", "val": 2920461000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 2411803000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 2052230000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 1789489000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 1534615000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 1328817000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 1133103000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 909277000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 748236000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 652572000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "RevenueFromContractWithCustomerExcludingAssessedTax", "taxonomy": "us-gaap", "label": "Contract revenue excluding tax", "kind": "duration", "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 3362069000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 2920461000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 2411803000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "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": "2018-03-01", "end": "2019-02-28", "val": -919926000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": -273099000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": -504193000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": -327797000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": -125965000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": -123836000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 9780000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": -110247000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": -539163000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInInvestingActivities", "taxonomy": "us-gaap", "label": "Investing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 109960000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": -76854000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": -110133000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": -512108000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": -389049000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": -358860000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": -54855000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": -276203000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 146216000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "RetainedEarningsAccumulatedDeficit", "taxonomy": "us-gaap", "label": "Retained earnings or deficit", "kind": "instant", "unitKind": "money", "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.", "observations": [ { "end": "2019-02-28", "val": 2054069000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 1619688000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 1352991000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 1099738000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 900373000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 720172000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 541880000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 391676000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 245050000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 137772000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "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": "2018-03-01", "end": "2019-02-28", "val": 176773000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "shares" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 177150000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "shares" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 179642000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "shares" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 182817000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "shares" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 186529000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "shares" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 189920000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "shares" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 193147000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "shares" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 193151000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "shares" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 190294000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "shares" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 187845000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "shares" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 190772000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "shares" } ] }, { "tag": "WeightedAverageNumberOfDilutedSharesOutstanding", "taxonomy": "us-gaap", "label": "Diluted weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 186321000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "shares" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 184602000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "shares" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 182961000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "shares" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 186119000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "shares" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 189246000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "shares" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 192036000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "shares" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 195804000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "shares" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 196451000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "shares" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 196353000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "shares" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 193546000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "shares" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 211344000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2018-03-01", "end": "2019-02-28", "val": 2.46, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 1.48, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 1.42, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 1.09, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 0.97, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 0.94, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 0.78, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 0.76, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 0.56, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 0.46, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD/shares" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 0.41, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD/shares" } ] }, { "tag": "EarningsPerShareDiluted", "taxonomy": "us-gaap", "label": "Diluted earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 2.33, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 1.42, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 1.4, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 1.07, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 0.95, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 0.93, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 0.77, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 0.75, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 0.55, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 0.45, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD/shares" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 0.39, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD/shares" } ] }, { "tag": "IncomeTaxExpenseBenefit", "taxonomy": "us-gaap", "label": "Income tax expense or benefit", "kind": "duration", "unitKind": "money", "meaning": "Current and deferred income tax expense or benefit for continuing operations. 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It is not replacement cost or market value.", "observations": [ { "end": "2019-02-28", "val": 198969000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 206105000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 189629000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 166886000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 172151000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 173917000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 141586000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 92065000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 75558000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 71708000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-02-28", "val": 67913000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2009Q1I", "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": "2018-03-01", "end": "2019-02-28", "val": 209096000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 192249000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 192530000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 166234000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 135232000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 113774000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 98698000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 79267000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 60597000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 48288000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 48315000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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. 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These amounts have not passed through net income.", "observations": [ { "end": "2019-02-28", "val": -42622000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": -32596000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": -88352000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": -74449000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": -60621000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": -4459000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": -7967000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": -5952000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": -1819000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 1056000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "unit": "USD" } ] }, { "tag": "PropertyPlantAndEquipmentGross", "taxonomy": "us-gaap", "label": "Gross property, plant and equipment", "kind": "instant", "unitKind": "money", "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.", "observations": [ { "end": "2019-02-28", "val": 515401000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-02-28", "val": 475534000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 421162000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 361705000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 362265000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 383212000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 331571000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 255957000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 215311000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 188679000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "unit": "USD" } ] }, { "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Accumulated depreciation on property, plant and equipment", "kind": "instant", "unitKind": "money", "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.", "observations": [ { "end": "2019-02-28", "val": 316432000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 269429000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 231533000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 194819000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 190114000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 209295000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 189985000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 163892000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 139753000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 116971000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "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": "2019-02-28", "val": 206083000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 224953000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 137767000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 146071000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 134276000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 133399000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 142243000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 100638000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 109932000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 108213000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "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": "2019-02-28", "val": 81648000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 89460000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 74105000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 44506000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 22731000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 35391000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 31263000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 38640000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 33810000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 39672000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "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": "2019-02-28", "val": 199025000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "unit": "USD" }, { "end": "2018-02-28", "val": 205215000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 93965000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 87912000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 72046000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 85003000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 48321000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 30649000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 29205000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 24081000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "unit": "USD" } ] }, { "tag": "AccruedLiabilitiesCurrent", "taxonomy": "us-gaap", "label": "Accrued current liabilities", "kind": "instant", "unitKind": "money", "meaning": "Current obligations accrued for goods and services received but not yet invoiced or paid. This is one component of current liabilities, not all short-term obligations.", "observations": [ { "end": "2013-02-28", "val": 154202000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 114078000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 106514000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 68334000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "unit": "USD" } ] }, { "tag": "DeferredTaxAssetsNet", "taxonomy": "us-gaap", "label": "Net deferred tax assets", "kind": "instant", "unitKind": "money", "meaning": "Deferred tax assets after the valuation allowance. Realization depends on future taxable income, so the balance is not a receivable from tax authorities.", "observations": [ { "end": "2019-02-28", "val": 179621000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-02-28", "val": 166151000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 193390000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-02-29", "val": 190007000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-02-28", "val": 177903000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-02-28", "val": 137234000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-02-28", "val": 132405000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-02-29", "val": 120995000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-02-28", "val": 108000000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-02-28", "val": 102491000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2010Q1I", "unit": "USD" } ] }, { "tag": "DeferredIncomeTaxLiabilitiesNet", "taxonomy": "us-gaap", "label": "Net deferred tax liabilities", "kind": "instant", "unitKind": "money", "meaning": "Deferred tax liabilities net of related assets under this concept. The amount reflects timing differences and is not tax currently due.", "observations": [ { "end": "2019-02-28", "val": 2715000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-02-28", "val": 4976000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-02-28", "val": 2939000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2017Q1I", "unit": "USD" } ] }, { "tag": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "taxonomy": "us-gaap", "label": "Pre-tax income or loss from continuing operations", "kind": "duration", "unitKind": "money", "meaning": "Income or loss from continuing operations before income taxes and noncontrolling interests. It excludes discontinued operations and is not net income.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 518055000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 477991000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 322010000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 274865000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 255498000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 239548000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 209752000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" } ] }, { "tag": "ComprehensiveIncomeNetOfTax", "taxonomy": "us-gaap", "label": "Comprehensive income or loss", "kind": "duration", "unitKind": "money", "meaning": "Net income plus other comprehensive income after tax. It includes unrealized items that net income excludes and is not a cash measure.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 423962000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 317607000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 241487000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 185537000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 124039000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 181800000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 148189000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 142493000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 104403000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 77982000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 87058000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2018-03-01", "end": "2019-02-28", "val": 304766000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 239316000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 208491000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 192281000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 170053000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 152407000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 146333000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 126345000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 114653000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 104227000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 95196000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "Depreciation", "taxonomy": "us-gaap", "label": "Depreciation expense", "kind": "duration", "unitKind": "money", "meaning": "Depreciation recognized for the period under this concept. It is a noncash allocation of asset cost and may exclude amortization and depletion reported elsewhere.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 67897000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 64317000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 54077000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 48909000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 48001000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 45169000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 38818000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 31623000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 29036000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 26213000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 22883000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2018-03-01", "end": "2019-02-28", "val": 41149000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 32822000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 31232000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 27179000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 28262000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 29236000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 23523000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 19749000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 18961000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "OtherNonoperatingIncomeExpense", "taxonomy": "us-gaap", "label": "Other nonoperating income or expense", "kind": "duration", "unitKind": "money", "meaning": "Other income or expense outside operations under this concept. The composition is filer-specific and can include one-time items.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": -4870000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 8335000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": -2164000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": -1735000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 6562000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 774000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 736000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": -322000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 1275000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 10772000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 2538000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "CurrentIncomeTaxExpenseBenefit", "taxonomy": "us-gaap", "label": "Current income tax expense or benefit", "kind": "duration", "unitKind": "money", "meaning": "Income tax expense or benefit for the period that is currently payable or refundable. It differs from cash taxes paid and from total tax expense.", "observations": [ { "start": "2018-03-01", "end": "2019-02-28", "val": 106334000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 207558000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 54162000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 89173000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 45667000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 50272000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 52036000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 38290000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 22988000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 28428000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 2339000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2018-03-01", "end": "2019-02-28", "val": -22267000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 8582000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 12458000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": -13673000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 29630000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 13776000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 5630000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 45702000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 33848000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 20636000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 38979000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "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": "2011-03-01", "end": "2012-02-29", "val": 45000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 122000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 129000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "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": "2011-03-01", "end": "2012-02-29", "val": 12381000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 8121000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 5730000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "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": "2018-03-01", "end": "2019-02-28", "val": 188980000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-03-01", "end": "2018-02-28", "val": 154119000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2017", "unit": "USD" }, { "start": "2016-03-01", "end": "2017-02-28", "val": 119102000, "accn": "0001087423-19-000012", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-04-24", "frame": "CY2016", "unit": "USD" }, { "start": "2015-03-01", "end": "2016-02-29", "val": 48404000, "accn": "0001087423-18-000010", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-04-26", "frame": "CY2015", "unit": "USD" }, { "start": "2014-03-01", "end": "2015-02-28", "val": 121536000, "accn": "0001193125-17-139562", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-04-26", "frame": "CY2014", "unit": "USD" }, { "start": "2013-03-01", "end": "2014-02-28", "val": 61785000, "accn": "0001193125-16-556503", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-04-26", "frame": "CY2013", "unit": "USD" }, { "start": "2012-03-01", "end": "2013-02-28", "val": 46913000, "accn": "0001193125-15-153023", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-04-28", "frame": "CY2012", "unit": "USD" }, { "start": "2011-03-01", "end": "2012-02-29", "val": 70410000, "accn": "0001193125-14-157171", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-24", "frame": "CY2011", "unit": "USD" }, { "start": "2010-03-01", "end": "2011-02-28", "val": 41512000, "accn": "0001193125-13-173724", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-25", "frame": "CY2010", "unit": "USD" }, { "start": "2009-03-01", "end": "2010-02-28", "val": 7290000, "accn": "0001193125-12-182074", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-25", "frame": "CY2009", "unit": "USD" }, { "start": "2008-03-01", "end": "2009-02-28", "val": 2341000, "accn": "0001193125-11-117416", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-04-29", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "IncreaseDecreaseInAccountsPayable", "taxonomy": "us-gaap", "label": "Change in accounts payable", "kind": "duration", "unitKind": "money", "meaning": "The cash flow adjustment for the change in payables during the period. 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