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Goodwill and Intangible Assets - Schedule of Future Amortization (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2015
Feb. 28, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
2015 $ 15,666us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths  
2016 15,402us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
2017 14,812us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
2018 14,136us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
2019 13,666us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Thereafter 80,175us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive  
Finite-Lived Intangible Assets, Net $ 153,857us-gaap_FiniteLivedIntangibleAssetsNet $ 170,432us-gaap_FiniteLivedIntangibleAssetsNet