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Intangible Assets and Goodwill (Schedule Of Future Amortization Expense From Intangible Assets Held) (Details) - USD ($)
$ in Thousands
May. 31, 2015
Nov. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
Remainder of 2015 $ 14,496  
2016 28,499  
2017 28,499  
2018 27,686  
2019 26,561  
Thereafter 2,864  
Net Book Value $ 128,605 $ 20,578