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		9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2013	Aug. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	$ 4.9	$ (1.5)	$ 11.5	$ (1.9)
Gain or (Loss) reclassified from AOCI	0	(0.2)	(1.4)	(0.3)
Interest rate contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	4.7	0	9.2	0
Interest rate contract [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	(0.3)	(0.3)	(1.0)	(1.0)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	0.2	(1.5)	2.3	(1.9)
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	$ 0.3	$ 0.1	$ (0.4)	$ 0.7