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It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents.","units":{"USD":[{"end":"2012-11-30","val":345008000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2012Q4I"},{"end":"2013-11-30","val":258367000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2013Q4I"},{"end":"2014-11-30","val":153156000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15"},{"end":"2014-11-30","val":153156000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21","frame":"CY2014Q4I"},{"end":"2015-02-28","val":209719000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21","frame":"CY2015Q1I"},{"end":"2015-11-30","val":293148000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15"},{"end":"2015-11-30","val":293148000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21"},{"end":"2015-11-30","val":293148000,"accn":"0001316360-16-000147","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-06-28","frame":"CY2015Q4I"},{"end":"2016-02-29","val":61200000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21","frame":"CY2016Q1I"}]}},"CashAndCashEquivalentsPeriodIncreaseDecrease":{"label":"Cash and Cash Equivalents, Period Increase (Decrease)","description":"Amount of increase (decrease) in cash and cash equivalents. 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employee for defined benefit 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This item represents a periodic increase to the plan obligation and an increase to plan assets.","units":{"USD":[{"start":"2009-12-01","end":"2010-11-30","val":209000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2010"},{"start":"2009-12-01","end":"2010-11-30","val":209000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"},{"start":"2010-12-01","end":"2011-11-30","val":13000,"accn":"0001316360-13-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2013-01-18","frame":"CY2011"},{"start":"2010-12-01","end":"2011-11-30","val":13000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08"},{"start":"2010-12-01","end":"2011-11-30","val":13000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"}]}},"DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod":{"label":"Defined Benefit Plan, Cost of Providing Special and Contractual Termination Benefits","description":"Amount of cost of providing special or contractual termination benefits payable from defined benefit plan.","units":{"USD":[{"start":"2010-12-01","end":"2011-11-30","val":60000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13","frame":"CY2011"}]}},"DefinedBenefitPlanEffectOfPlanAmendmentOnAccumulatedBenefitObligation":{"label":"Defined Benefit Plan, Effect of Plan Amendment on Accumulated Benefit Obligation (Deprecated 2017-01-31)","description":"The amount of increase or decrease in the accumulated benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.","units":{"USD":[{"end":"2013-11-30","val":0,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2013-11-30","val":0,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2013Q4I"},{"end":"2014-11-30","val":495000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":495000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24"},{"end":"2014-11-30","val":495000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2014Q4I"},{"end":"2015-11-30","val":0,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"DefinedBenefitPlanEffectOfSettlementsAndCurtailmentsOnAccumulatedBenefitObligation":{"label":"Defined 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curtailment.","units":{"USD":[{"end":"2013-11-30","val":0,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2013-11-30","val":0,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2013Q4I"},{"end":"2014-11-30","val":-2842000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":-2842000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24"},{"end":"2014-11-30","val":-2842000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2014Q4I"},{"end":"2015-11-30","val":0,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years","description":"Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.","units":{"USD":[{"end":"2012-11-30","val":68781000,"accn":"0001316360-13-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2013-01-18","frame":"CY2012Q4I"},{"end":"2013-11-30","val":68962000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-11-30","val":55188000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":55188000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2014Q4I"},{"end":"2015-11-30","val":56040000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years 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5.","units":{"USD":[{"end":"2011-11-30","val":10256000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2011Q4I"},{"end":"2011-11-30","val":10256000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year Four (Deprecated 2012-01-31)","description":"The amount of the benefits expected to be paid in Year 4.","units":{"USD":[{"end":"2011-11-30","val":10314000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2011Q4I"},{"end":"2011-11-30","val":10314000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"}]}},"DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne":{"label":"Defined Benefit Plan, Expected Future Benefit Payments in Year One (Deprecated 2012-01-31)","description":"The amount of the 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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2011-08-31","val":270000000,"accn":"0001316360-11-000113","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-09-28","frame":"CY2011Q3I"},{"end":"2011-11-30","val":125000000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2011Q4I"},{"end":"2011-11-30","val":125000000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"},{"end":"2012-02-29","val":120000000,"accn":"0001316360-12-000056","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-03-26","frame":"CY2012Q1I"},{"end":"2012-05-31","val":143000000,"accn":"0001316360-12-000081","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-06-25","frame":"CY2012Q2I"},{"end":"2012-08-31","val":123000000,"accn":"0001316360-12-000110","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-09-24","frame":"CY2012Q3I"},{"end":"2012-11-30","val":117000000,"accn":"0001316360-13-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2013-01-18","frame":"CY2012Q4I"},{"end":"2013-02-28","val":104000000,"accn":"0001316360-13-000075","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-03-25","frame":"CY2013Q1I"},{"end":"2013-05-31","val":90000000,"accn":"0001316360-13-000132","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-06-24","frame":"CY2013Q2I"},{"end":"2013-08-31","val":277000000,"accn":"0001316360-13-000169","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-09-24","frame":"CY2013Q3I"}]}},"LongTermDebt":{"label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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Debt and Lease Obligation, Current","description":"Amount of long-term debt and lease obligation, classified as current.","units":{"USD":[{"end":"2012-11-30","val":170102000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13","frame":"CY2012Q4I"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-14-000065","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-03-24"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-14-000103","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-06-23"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-14-000127","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-09-22"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2013-11-30","val":395527000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2013Q4I"},{"end":"2014-02-28","val":210320000,"accn":"0001316360-14-000065","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-03-24","frame":"CY2014Q1I"},{"end":"2014-05-31","val":140911000,"accn":"0001316360-14-000103","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-06-23","frame":"CY2014Q2I"},{"end":"2014-08-31","val":218793000,"accn":"0001316360-14-000127","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-09-22","frame":"CY2014Q3I"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-15-000037","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-03-24"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-15-000070","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-06-24"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-15-000086","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-09-29"},{"end":"2014-11-30","val":36257000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2014Q4I"},{"end":"2015-02-28","val":35987000,"accn":"0001316360-15-000037","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-03-24","frame":"CY2015Q1I"},{"end":"2015-05-31","val":36001000,"accn":"0001316360-15-000070","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-06-24","frame":"CY2015Q2I"},{"end":"2015-08-31","val":36014000,"accn":"0001316360-15-000086","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-09-29","frame":"CY2015Q3I"},{"end":"2015-11-30","val":36019000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15"},{"end":"2015-11-30","val":36019000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21"},{"end":"2015-11-30","val":36019000,"accn":"0001316360-16-000147","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-06-28","frame":"CY2015Q4I"},{"end":"2016-02-29","val":588158000,"accn":"0001316360-16-000136","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-03-21","frame":"CY2016Q1I"},{"end":"2016-05-31","val":473796000,"accn":"0001316360-16-000147","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-06-28","frame":"CY2016Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive":{"label":"Long-Term 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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2014-11-30","val":750000000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":750000000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2014Q4I"},{"end":"2015-11-30","val":750000000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths":{"label":"Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months","description":"Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.","units":{"USD":[{"end":"2016-05-31","val":93800000,"accn":"0001316360-16-000147","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-06-28","frame":"CY2016Q2I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths":{"label":"Long-Term Debt, Maturity, Year One","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-11-30","val":17539000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"},{"end":"2011-11-30","val":17539000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2011Q4I"},{"end":"2012-02-29","val":22000000,"accn":"0001316360-12-000056","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-03-26","frame":"CY2012Q1I"},{"end":"2012-11-30","val":52578000,"accn":"0001316360-13-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2013-01-18","frame":"CY2012Q4I"},{"end":"2013-02-28","val":66000000,"accn":"0001316360-13-000075","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-03-25","frame":"CY2013Q1I"},{"end":"2013-05-31","val":79000000,"accn":"0001316360-13-000132","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-06-24","frame":"CY2013Q2I"},{"end":"2013-08-31","val":117000000,"accn":"0001316360-13-000169","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-09-24","frame":"CY2013Q3I"},{"end":"2013-11-30","val":155156000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-11-30","val":35000000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":35000000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2014Q4I"},{"end":"2015-11-30","val":35000000,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive":{"label":"Long-Term Debt, Maturity, Year Five","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2011-11-30","val":13154000,"accn":"0001316360-12-000024","fy":2011,"fp":"FY","form":"10-K","filed":"2012-01-23"},{"end":"2011-11-30","val":13154000,"accn":"0001316360-12-000038","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-02-08","frame":"CY2011Q4I"},{"end":"2012-11-30","val":0,"accn":"0001316360-13-000019","fy":2012,"fp":"FY","form":"10-K","filed":"2013-01-18","frame":"CY2012Q4I"},{"end":"2013-11-30","val":350000000,"accn":"0001316360-14-000008","fy":2013,"fp":"FY","form":"10-K","filed":"2014-01-13","frame":"CY2013Q4I"},{"end":"2014-11-30","val":490000000,"accn":"0001316360-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-01-16"},{"end":"2014-11-30","val":490000000,"accn":"0001316360-15-000069","fy":null,"fp":null,"form":"8-K","filed":"2015-06-24","frame":"CY2014Q4I"},{"end":"2015-11-30","val":0,"accn":"0001316360-16-000114","fy":2015,"fp":"FY","form":"10-K","filed":"2016-01-15","frame":"CY2015Q4I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour":{"label":"Long-Term Debt, Maturity, Year Four","description":"Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. 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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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