Accumulated Other Comprehensive Income-Components of Accumulated Other Comprehensive Income, Net of Tax (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	$ (1.3)	$ (1.0)	$ (0.8)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	0.3	0.3	0.2
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(1.0)	(0.7)	(0.6)
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax	0.3	(0.8)	(3.5)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	16.4	36.5	21.6
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	16.7	35.7	18.1
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Tax	(5.7)	(12.1)	(6.2)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax	11.0	23.6	11.9
Foreign currency translation adjustment	32.1	165.7
Unrealized gain (loss) on foreign currency exchange contracts	3.0	(0.3)
Unamoritzed value of settled interest rate swaps	2.9	2.0
Pension and other postretirement costs	(224.0)	(167.7)
Accumulated other comprehensive loss, net of tax	(186.0)	(0.3)
Cash Flow Hedging [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1.3)	(1.0)	(0.8)
Foreign Exchange Contracts [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1.1)	0.3	0.6
Interest Rate Contract [Member] | Cash Flow Hedging [Member] | Interest Expense [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ (0.2)	$ (1.3)	$ (1.4)