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Goodwill and Other Acquired Intangible Assets (Future Amortization Of Acquired Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Nov. 30, 2011
Goodwill and Intangible Assets Disclosure [Abstract]    
2013 $ 34,942  
2014 28,317  
2015 23,316  
2016 17,660  
2017 11,772  
Thereafter 7,254  
Total intangible assets, net $ 123,261 $ 97,258