Impact of Cash Flow Hedges on Other Comprehensive Income, Accumulated Other Comprehensive Income and Income Statement (Detail) (Cash Flow Hedging, USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Total, Gain or (Loss) recognized in OCI	$ 0.5	$ (0.9)	$ (0.4)	$ (2.7)
Total, Gain or (Loss) reclassified from AOCI	(0.2)	(1.4)	(0.1)	(2.3)
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Total, Gain or (Loss) recognized in OCI		(0.9)		(0.9)
Total, Gain or (Loss) reclassified from AOCI	(0.4)	(0.4)	(0.7)	(0.7)
Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Total, Gain or (Loss) reclassified from AOCI	0.2	(1.0)	0.6	(1.6)
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Total, Gain or (Loss) recognized in OCI	$ 0.5		$ (0.4)	$ (1.8)