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Business Segment Information - Geographical Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Segment Reporting Information [Line Items]      
Total Revenue $ 1,868,739 $ 1,695,144 $ 1,597,894
Fixed Assets - Net 372,452 287,776  
United States [Member]
     
Segment Reporting Information [Line Items]      
Total Revenue 1,217,461 1,214,715 1,207,072
Fixed Assets - Net 318,054 257,548  
United Kingdom [Member]
     
Segment Reporting Information [Line Items]      
Total Revenue 471,945 296,472 216,309
Fixed Assets - Net 44,660 21,136  
Other international [Member]
     
Segment Reporting Information [Line Items]      
Total Revenue 179,333 183,957 174,513
Fixed Assets - Net $ 9,738 $ 9,092