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Intangible Assets And Goodwill (Schedule Of Future Amortization Expense From Intangible Assets Held) (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2014
Nov. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
2015 $ 4,949us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 3,879us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 3,879us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 3,063us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 1,941us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 2,867us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Total $ 20,578us-gaap_FiniteLivedIntangibleAssetsNet $ 9,950us-gaap_FiniteLivedIntangibleAssetsNet