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Business Segment Information (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 29, 2012
Feb. 28, 2011
Feb. 28, 2010
Geographical Information      
Total revenue $ 1,695,144 $ 1,597,894 $ 1,640,851
PROPERTY, PLANT AND EQUIPMENT- NET 277,597 241,649  
United States [Member]
     
Geographical Information      
Total revenue 1,214,715 1,207,072 1,267,837
PROPERTY, PLANT AND EQUIPMENT- NET 252,945 218,354  
United Kingdom [Member]
     
Geographical Information      
Total revenue 296,472 216,309 209,059
PROPERTY, PLANT AND EQUIPMENT- NET 21,136 21,099  
Other International [Member]
     
Geographical Information      
Total revenue 183,957 174,513 163,955
PROPERTY, PLANT AND EQUIPMENT- NET $ 3,516 $ 2,196