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Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15","frame":"CY2010Q2I"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24"},{"end":"2010-08-31","val":27807000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24","frame":"CY2010Q3I"},{"end":"2010-11-30","val":27820000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07","frame":"CY2010Q4I"},{"end":"2011-02-28","val":27875000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25","frame":"CY2011Q1I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2011Q2I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15"},{"end":"2011-08-31","val":27890000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30","frame":"CY2011Q3I"},{"end":"2011-11-30","val":27894000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":27978000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":27996000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2012Q2I"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28"},{"end":"2012-08-31","val":28031000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":28056000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":28056000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2013Q2I"},{"end":"2013-05-31","val":27996000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09"},{"end":"2013-05-31","val":27996000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22"},{"end":"2013-08-31","val":28056000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":28056000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28804000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"CommonStockSharesOutstanding":{"label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","units":{"shares":[{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15","frame":"CY2010Q2I"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24"},{"end":"2010-08-31","val":27807000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24","frame":"CY2010Q3I"},{"end":"2010-11-30","val":27820000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07","frame":"CY2010Q4I"},{"end":"2011-02-28","val":27875000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25","frame":"CY2011Q1I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2011Q2I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15"},{"end":"2011-08-31","val":27890000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30","frame":"CY2011Q3I"},{"end":"2011-11-30","val":27894000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":27978000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":27996000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2012Q2I"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28"},{"end":"2012-08-31","val":28031000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":28056000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":28056000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2013Q2I"},{"end":"2013-05-31","val":27996000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09"},{"end":"2013-05-31","val":27996000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22"},{"end":"2013-08-31","val":28056000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":28056000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28804000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15","frame":"CY2010Q2I"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07"},{"end":"2010-05-31","val":27796000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24"},{"end":"2010-08-31","val":27807000,"accn":"0001193125-10-216319","fy":2011,"fp":"Q1","form":"10-Q","filed":"2010-09-24","frame":"CY2010Q3I"},{"end":"2010-11-30","val":27820000,"accn":"0001193125-11-003721","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-01-07","frame":"CY2010Q4I"},{"end":"2011-02-28","val":27875000,"accn":"0001193125-11-077931","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-03-25","frame":"CY2011Q1I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2011Q2I"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30"},{"end":"2011-05-31","val":27887000,"accn":"0001193125-11-189288","fy":2011,"fp":"FY","form":"10-K","filed":"2011-07-15"},{"end":"2011-08-31","val":27890000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30","frame":"CY2011Q3I"},{"end":"2011-11-30","val":27894000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":27978000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":27996000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09"},{"end":"2012-05-31","val":27996000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2012Q2I"},{"end":"2012-05-31","val":27996000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28"},{"end":"2012-08-31","val":28031000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":28056000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":28324000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2013Q2I"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04"},{"end":"2013-05-31","val":28572000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22"},{"end":"2013-08-31","val":28609000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":28623000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":28804000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. 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idation, 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The element may be used in both the balance sheet and disclosure in the same submission.","units":{"USD":[{"end":"2011-05-31","val":691500000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2011Q2I"},{"end":"2011-05-31","val":691500000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2011-05-31","val":691500000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30"},{"end":"2011-05-31","val":691500000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06"},{"end":"2011-05-31","val":691500000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30"},{"end":"2011-08-31","val":590700000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30","frame":"CY2011Q3I"},{"end":"2011-11-30","val":550600000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":628500000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":646800000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09"},{"end":"2012-05-31","val":646800000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28"},{"end":"2012-05-31","val":646800000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09"},{"end":"2012-05-31","val":646800000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-05-31","val":646800000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2012Q2I"},{"end":"2012-05-31","val":646800000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28"},{"end":"2012-08-31","val":698300000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":705800000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":718700000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":723200000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2013Q2I"},{"end":"2013-05-31","val":723200000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09"},{"end":"2013-05-31","val":723200000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04"},{"end":"2013-05-31","val":723200000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22"},{"end":"2013-08-31","val":719500000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":727500000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":762800000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"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. 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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":"2011-11-30","val":500000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":500000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":1300000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-05-31","val":1300000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-08-31","val":1700000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":1600000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":1900000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":1700000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2013Q2I"},{"end":"2013-08-31","val":1500000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":1100000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":900000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree":{"label":"Long-Term Debt, Maturity, Year Three","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 third 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":400000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":400000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":1200000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-05-31","val":1200000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-08-31","val":1600000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":1600000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":1900000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":1900000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2013Q2I"},{"end":"2013-08-31","val":2000000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":1900000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":2000000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo":{"label":"Long-Term Debt, Maturity, Year Two","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 second 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":400000,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06","frame":"CY2011Q4I"},{"end":"2012-02-29","val":400000,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30","frame":"CY2012Q1I"},{"end":"2012-05-31","val":1200000,"accn":"0001193125-12-347138","fy":2012,"fp":"FY","form":"10-K/A","filed":"2012-08-09","frame":"CY2012Q2I"},{"end":"2012-05-31","val":1200000,"accn":"0001193125-12-304847","fy":2012,"fp":"FY","form":"10-K","filed":"2012-07-17"},{"end":"2012-08-31","val":1500000,"accn":"0001193125-12-409080","fy":2013,"fp":"Q1","form":"10-Q","filed":"2012-09-28","frame":"CY2012Q3I"},{"end":"2012-11-30","val":1500000,"accn":"0001445305-13-000022","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-01-09","frame":"CY2012Q4I"},{"end":"2013-02-28","val":1900000,"accn":"0000097472-13-000004","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-03-28","frame":"CY2013Q1I"},{"end":"2013-05-31","val":1800000,"accn":"0000097472-13-000023","fy":2013,"fp":"FY","form":"10-K","filed":"2013-07-22","frame":"CY2013Q2I"},{"end":"2013-08-31","val":1900000,"accn":"0000097472-13-000026","fy":2014,"fp":"Q1","form":"10-Q","filed":"2013-10-04","frame":"CY2013Q3I"},{"end":"2013-11-30","val":2000000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09","frame":"CY2013Q4I"},{"end":"2014-02-28","val":2000000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04","frame":"CY2014Q1I"}]}},"LongTermDebtNoncurrent":{"label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. 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:"2013-06-01","end":"2013-11-30","val":1450000,"accn":"0000097472-14-000003","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-01-09"},{"start":"2013-06-01","end":"2014-02-28","val":9076000,"accn":"0000097472-14-000006","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-04-04"}]}},"PropertyPlantAndEquipmentGross":{"label":"Property, 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Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.","units":{"USD":[{"start":"2011-06-01","end":"2011-08-31","val":6100000,"accn":"0001193125-11-261302","fy":2012,"fp":"Q1","form":"10-Q","filed":"2011-09-30","frame":"CY2011Q3"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. 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Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.","units":{"years":[{"start":"2011-06-01","end":"2011-11-30","val":25,"accn":"0001193125-12-005100","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-01-06"},{"start":"2011-06-01","end":"2012-02-29","val":25,"accn":"0001193125-12-143254","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-03-30"}]}},"PropertyPlantAndEquipmentUsefulLifeMinimum":{"label":"Property, Plant and Equipment, Useful Life, Minimum (Deprecated 2012-01-31)","description":"The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. 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Average Number of Shares, Contingently Issuable","description":"Shares issuable for little or no cash consideration upon the satisfaction of certain conditions (contingently issuable shares) are considered outstanding common shares and included in the computation of basic Earnings Per Share as of the date that all necessary conditions have been satisfied (in essence, when issuance of the shares is no longer contingent). Outstanding common shares that are contingently returnable (that is, subject to recall) are treated in the same manner as contingently issuable shares. Contingently issuable shares include shares that (a) will be issued in the future upon the satisfaction of specified conditions, (b) have been placed in escrow and all or part must be returned if specified conditions are not met, or (c) have been issued but the holder must return all or part if specified conditions are not met. The number of contingently issuable shares is determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that 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Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. 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