Financial Instruments - Impact of Cash Flow Hedges on Other Comprehensive Income, Accumulated Other Comprehensive Income and Income Statement (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	$ (0.3)	$ 0.1	$ 0.3	$ 0.9
Gain or (Loss) reclassified from AOCI	0.7	(0.6)	1.3	(3.1)
Cash Flow Hedging | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	0.0	0.0	0.0	0.0
Cash Flow Hedging | Interest rate contracts | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	0.2	0.2	0.4	0.4
Cash Flow Hedging | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	(0.3)	0.1	0.3	0.9
Cash Flow Hedging | Foreign exchange contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	0.5	(0.8)	0.9	(3.5)
Net Investment Hedging | Cross currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) recognized in OCI	3.0	0.0	0.3	0.0
Net Investment Hedging | Cross currency contracts | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) reclassified from AOCI	$ 1.7	$ 0.0	$ 3.8	$ 0.0