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Intangible Assets and Goodwill (Schedule Of Future Amortization Expense From Intangible Assets Held) (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2015
Nov. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2015 $ 21,742us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear  
2016 28,499us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 28,499us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 27,686us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 26,561us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 2,864us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Net Book Value $ 135,851us-gaap_FiniteLivedIntangibleAssetsNet $ 20,578us-gaap_FiniteLivedIntangibleAssetsNet