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For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2016-06-30","val":56845000,"accn":"0000020629-17-000072","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-08-01","frame":"CY2016Q2I"},{"end":"2016-09-30","val":57028000,"accn":"0000020629-17-000108","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-11-07","frame":"CY2016Q3I"},{"end":"2016-12-31","val":57498000,"accn":"0000020629-18-000014","fy":2017,"fp":"Q3","form":"10-Q","filed":"2018-02-07","frame":"CY2016Q4I"},{"end":"2017-03-31","val":57997000,"accn":"0000020629-17-000072","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-08-01"},{"end":"2017-03-31","val":57997000,"accn":"0000020629-17-000108","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-11-07"},{"end":"2017-03-31","val":57997000,"accn":"0000020629-18-000014","fy":2017,"fp":"Q3","form":"10-Q","filed":"2018-02-07","frame":"CY2017Q1I"},{"end":"2017-06-30","val":57221000,"accn":"0000020629-17-000072","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-08-01"},{"end":"2017-06-30","val":57221000,"accn":"0000020629-18-000057","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-08-01","frame":"CY2017Q2I"},{"end":"2017-09-30","val":57742000,"accn":"0000020629-17-000108","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-11-07"},{"end":"2017-09-30","val":57742000,"accn":"0000020629-18-000105","fy":2019,"fp":"Q2","form":"10-Q","filed":"2018-11-02","frame":"CY2017Q3I"},{"end":"2017-12-31","val":58324000,"accn":"0000020629-18-000014","fy":2017,"fp":"Q3","form":"10-Q","filed":"2018-02-07"},{"end":"2017-12-31","val":58324000,"accn":"0000020629-19-000008","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-02-07","frame":"CY2017Q4I"},{"end":"2018-03-31","val":58877000,"accn":"0000020629-18-000057","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-08-01"},{"end":"2018-03-31","val":58877000,"accn":"0000020629-18-000105","fy":2019,"fp":"Q2","form":"10-Q","filed":"2018-11-02"},{"end":"2018-03-31","val":58877000,"accn":"0000020629-19-000008","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-02-07","frame":"CY2018Q1I"},{"end":"2018-06-30","val":59348000,"accn":"0000020629-18-000057","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-08-01"},{"end":"2018-06-30","val":59348000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2018Q2I"},{"end":"2018-09-30","val":59934000,"accn":"0000020629-18-000105","fy":2019,"fp":"Q2","form":"10-Q","filed":"2018-11-02"},{"end":"2018-09-30","val":59934000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2018-12-31","val":60571000,"accn":"0000020629-19-000008","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-02-07"},{"end":"2018-12-31","val":60571000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":60921000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02"},{"end":"2019-03-31","val":60921000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"end":"2019-03-31","val":60921000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":60994000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2019Q2I"},{"end":"2019-09-30","val":61185000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":61590000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2019Q4I"}]}},"AdditionalPaidInCapitalCommonStock":{"label":"Additional Paid in Capital, Common Stock","description":"Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.","units":{"USD":[{"end":"2011-03-31","val":51311000,"accn":"0001193125-12-257775","fy":2011,"fp":"FY","form":"10-K","filed":"2012-06-04","frame":"CY2011Q1I"},{"end":"2012-03-31","val":50383000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31","frame":"CY2012Q1I"},{"end":"2012-03-31","val":50383000,"accn":"0001193125-12-257775","fy":2011,"fp":"FY","form":"10-K","filed":"2012-06-04"},{"end":"2013-03-31","val":49884000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31"},{"end":"2013-03-31","val":49884000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28","frame":"CY2013Q1I"},{"end":"2014-03-31","val":52117000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22","frame":"CY2014Q1I"},{"end":"2014-03-31","val":52117000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28"},{"end":"2015-03-31","val":54399000,"accn":"0000020629-16-000135","fy":2015,"fp":"FY","form":"10-K","filed":"2016-05-25","frame":"CY2015Q1I"},{"end":"2015-03-31","val":54399000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22"},{"end":"2016-03-31","val":56157000,"accn":"0000020629-17-000049","fy":2016,"fp":"FY","form":"10-K","filed":"2017-06-07","frame":"CY2016Q1I"},{"end":"2016-03-31","val":56157000,"accn":"0000020629-16-000135","fy":2015,"fp":"FY","form":"10-K","filed":"2016-05-25"},{"end":"2017-03-31","val":57997000,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05","frame":"CY2017Q1I"},{"end":"2017-03-31","val":57997000,"accn":"0000020629-17-000049","fy":2016,"fp":"FY","form":"10-K","filed":"2017-06-07"},{"end":"2018-03-31","val":58877000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2018Q1I"},{"end":"2018-03-31","val":58877000,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05"},{"end":"2019-03-31","val":60921000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2019Q1I"}]}},"AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings":{"label":"Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings","description":"Amount of decrease in additional paid in capital (APIC) resulting from dividends legally declared (or paid) in excess of retained earnings balance.","units":{"USD":[{"start":"2012-04-01","end":"2013-03-31","val":1727000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31"},{"start":"2012-04-01","end":"2013-03-31","val":1727000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22","frame":"CY2012"},{"start":"2012-04-01","end":"2013-03-31","val":1727000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions":{"label":"APIC, Share-based Payment Arrangement, Recognition and Exercise","description":"Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement.","units":{"USD":[{"start":"2012-04-01","end":"2013-03-31","val":0,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31"},{"start":"2012-04-01","end":"2013-03-31","val":0,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28","frame":"CY2012"}]}},"AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue":{"label":"APIC, Share-based Payment Arrangement, Increase for Cost Recognition","description":"Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.","units":{"USD":[{"start":"2009-04-01","end":"2010-03-31","val":2323000,"accn":"0001193125-12-257775","fy":2011,"fp":"FY","form":"10-K","filed":"2012-06-04","frame":"CY2009"},{"start":"2010-04-01","end":"2011-03-31","val":1938000,"accn":"0001193125-12-257775","fy":2011,"fp":"FY","form":"10-K","filed":"2012-06-04"},{"start":"2010-04-01","end":"2011-03-31","val":1938000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31","frame":"CY2010"},{"start":"2011-04-01","end":"2012-03-31","val":1683000,"accn":"0001193125-12-257775","fy":2011,"fp":"FY","form":"10-K","filed":"2012-06-04"},{"start":"2011-04-01","end":"2012-03-31","val":1683000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31"},{"start":"2011-04-01","end":"2012-03-31","val":1683000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28","frame":"CY2011"},{"start":"2012-04-01","end":"2013-03-31","val":1783000,"accn":"0001193125-13-243158","fy":2012,"fp":"FY","form":"10-K","filed":"2013-05-31"},{"start":"2012-04-01","end":"2013-03-31","val":1783000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28"},{"start":"2012-04-01","end":"2013-03-31","val":1783000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22","frame":"CY2012"},{"start":"2013-04-01","end":"2014-03-31","val":1843000,"accn":"0000020629-14-000037","fy":2013,"fp":"FY","form":"10-K","filed":"2014-05-28"},{"start":"2013-04-01","end":"2014-03-31","val":1843000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22"},{"start":"2013-04-01","end":"2014-03-31","val":1843000,"accn":"0000020629-16-000135","fy":2015,"fp":"FY","form":"10-K","filed":"2016-05-25","frame":"CY2013"},{"start":"2014-04-01","end":"2015-03-31","val":2038000,"accn":"0000020629-15-000028","fy":2014,"fp":"FY","form":"10-K","filed":"2015-05-22"},{"start":"2014-04-01","end":"2015-03-31","val":2038000,"accn":"0000020629-16-000135","fy":2015,"fp":"FY","form":"10-K","filed":"2016-05-25"},{"start":"2014-04-01","end":"2015-03-31","val":2038000,"accn":"0000020629-17-000049","fy":2016,"fp":"FY","form":"10-K","filed":"2017-06-07","frame":"CY2014"},{"start":"2015-04-01","end":"2016-03-31","val":1654000,"accn":"0000020629-16-000135","fy":2015,"fp":"FY","form":"10-K","filed":"2016-05-25"},{"start":"2015-04-01","end":"2016-03-31","val":1654000,"accn":"0000020629-17-000049","fy":2016,"fp":"FY","form":"10-K","filed":"2017-06-07"},{"start":"2015-04-01","end":"2016-03-31","val":1654000,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05","frame":"CY2015"},{"start":"2016-04-01","end":"2017-03-31","val":1653000,"accn":"0000020629-17-000049","fy":2016,"fp":"FY","form":"10-K","filed":"2017-06-07"},{"start":"2016-04-01","end":"2017-03-31","val":1653000,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05"},{"start":"2016-04-01","end":"2017-03-31","val":1653000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2016"},{"start":"2017-04-01","end":"2018-03-31","val":1939000,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05"},{"start":"2017-04-01","end":"2018-03-31","val":1939000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2017"},{"start":"2018-04-01","end":"2018-06-30","val":471000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02"},{"start":"2018-04-01","end":"2018-06-30","val":471000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"start":"2018-04-01","end":"2018-06-30","val":471000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q2"},{"start":"2018-04-01","end":"2018-09-30","val":1057000,"accn":"0000020629-18-000105","fy":2019,"fp":"Q2","form":"10-Q","filed":"2018-11-02"},{"start":"2018-07-01","end":"2018-09-30","val":586000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"start":"2018-07-01","end":"2018-09-30","val":586000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q3"},{"start":"2018-04-01","end":"2018-12-31","val":1694000,"accn":"0000020629-19-000008","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-02-07"},{"start":"2018-10-01","end":"2018-12-31","val":637000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q4"},{"start":"2018-04-01","end":"2019-03-31","val":2044000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2018"},{"start":"2019-04-01","end":"2019-06-30","val":73000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02"},{"start":"2019-04-01","end":"2019-06-30","val":73000,"accn":"0000020629-19-000130","fy":2020,"fp":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to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation","description":"Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax 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Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2016-03-31","val":19927000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2016Q1I"},{"end":"2017-03-31","val":47693000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2017Q1I"},{"end":"2018-03-31","val":58560000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31"},{"end":"2018-03-31","val":58560000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02"},{"end":"2018-03-31","val":58560000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"end":"2018-03-31","val":58560000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q1I"},{"end":"2018-06-30","val":33103000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2018Q2I"},{"end":"2018-09-30","val":15112000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14","frame":"CY2018Q3I"},{"end":"2018-12-31","val":18917000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2018Q4I"},{"end":"2019-03-31","val":17100000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31"},{"end":"2019-03-31","val":17100000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02"},{"end":"2019-03-31","val":17100000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"end":"2019-03-31","val":17100000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":12251000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2019Q2I"},{"end":"2019-09-30","val":5155000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3I"},{"end":"2019-12-31","val":12346000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2019Q4I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","description":"Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2016-04-01","end":"2017-03-31","val":27766000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2016"},{"start":"2017-04-01","end":"2018-03-31","val":10867000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2017"},{"start":"2018-04-01","end":"2018-06-30","val":-25457000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2018Q2"},{"start":"2018-04-01","end":"2018-09-30","val":-43448000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"start":"2018-04-01","end":"2018-12-31","val":-39643000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14"},{"start":"2018-04-01","end":"2019-03-31","val":-41460000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2018"},{"start":"2019-04-01","end":"2019-06-30","val":-4849000,"accn":"0000020629-19-000101","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-02","frame":"CY2019Q2"},{"start":"2019-04-01","end":"2019-09-30","val":-11945000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14"},{"start":"2019-04-01","end":"2019-12-31","val":-4754000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14"}]}},"CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations":{"label":"Cash Provided by (Used in) Investing Activities, Discontinued Operations","description":"Amount of cash inflow (outflow) of investing activities of discontinued operations. 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Notional amount refers to the number of currency units specified in the foreign currency derivative contract.","units":{"USD":[{"end":"2011-06-30","val":2522000,"accn":"0001193125-12-343450","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":7281000,"accn":"0001193125-12-456245","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-11-07","frame":"CY2011Q3I"},{"end":"2011-12-31","val":3599000,"accn":"0001193125-13-040821","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-06","frame":"CY2011Q4I"},{"end":"2012-06-30","val":3919000,"accn":"0001193125-12-343450","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-08-08","frame":"CY2012Q2I"},{"end":"2012-09-30","val":5131000,"accn":"0001193125-12-456245","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-11-07","frame":"CY2012Q3I"},{"end":"2012-12-31","val":5230000,"accn":"0001193125-13-040821","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-06","frame":"CY2012Q4I"}]}},"NumberOfOperatingSegments":{"label":"Number of Operating Segments","description":"Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.","units":{"segment":[{"start":"2016-04-01","end":"2017-03-31","val":4,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05","frame":"CY2016"},{"start":"2017-04-01","end":"2018-03-31","val":1,"accn":"0000020629-18-000047","fy":2017,"fp":"FY","form":"10-K","filed":"2018-06-05","frame":"CY2017"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial 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019-09-30","val":3539000,"accn":"0000020629-19-000130","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-14","frame":"CY2019Q3"},{"start":"2019-04-01","end":"2019-12-31","val":-1727000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14"},{"start":"2019-10-01","end":"2019-12-31","val":7729000,"accn":"0000020629-20-000003","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-14","frame":"CY2019Q4"}]}},"OperatingLeaseCost":{"label":"Operating 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Excludes sublease income.","units":{"USD":[{"start":"2016-04-01","end":"2017-03-31","val":6468000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2016"},{"start":"2017-04-01","end":"2018-03-31","val":9423000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2017"},{"start":"2018-04-01","end":"2019-03-31","val":11482000,"accn":"0000020629-19-000060","fy":2018,"fp":"FY","form":"10-K","filed":"2019-05-31","frame":"CY2018"}]}},"OperatingLeaseLiability":{"label":"Operating Lease, Liability","description":"Present value of lessee's discounted obligation for lease payments from operating 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