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, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	$ 1.1	$ 4.9	$ 0.6	$ 11.5
Gain or (Loss) reclassified from AOCI	(0.3)	0	(0.9)	(1.4)
Interest rate contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	0	4.7	0	9.2
Interest rate contract [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	0	(0.3)	(0.1)	(1.0)
Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	1.1	0.2	0.6	2.3
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	$ (0.3)	$ 0.3	$ (0.8)	$ (0.4)