Annual report pursuant to Section 13 and 15(d)

Borrowings (Other) (Details Textual 2)

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Borrowings (Other) (Details Textual 2) (USD $)
12 Months Ended
Dec. 03, 2013
Feb. 28, 2013
Feb. 29, 2012
Debt Disclosure [Abstract]      
Additional credit arrangements, Subsidiary credit facilities   $ 371,500,000 $ 253,800,000
Amounts outstanding under additional credit arrangements, Subsidiary credit facilities   46,900,000 110,100,000
Unamortized discount on senior notes   4,000,000  
Accounts receivable securitization facility, term 364 days    
Basis points margin for borrowings under accounts receivable securitization facility 100.00%    
Accounts receivable securitization facility, maximum borrowings one 65,000,000.0    
Accounts receivable securitization facility, maximum borrowings two $ 250,000,000.0