Financial Instruments-Impact of Cash Flow Hedges on Other Comprehensive Income, Accumulated Other Comprehensive Income and Income Statement (Details) (Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	$ 0	$ 2.7
Gain or (Loss) reclassified from AOCI	(0.4)	(0.8)
Interest rate contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	0	1.2
Interest rate contract [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	0	(0.3)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	0	1.5
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	$ (0.4)	$ (0.5)