Stock Repurchase Programs - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 29, 2012	May 31, 2012	May 31, 2012	May 31, 2011
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 300,000,000
Shares repurchased		3,600,000	6,500,000
Payments classification for shares repurchased		121,000,000	188,508,000	72,329,000
Stock purchase program recorded in retained earnings			59,900,000
Terminated December 2010 Plan
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	300,000,000
Remaining authorized amount available for repurchases	$ 38,400,000