Financial Instruments (Fair Value Hedges) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Other income, net	$ 26.7	$ 24.8	$ 6.1
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	151.3
Investment Foreign Currency, Contract, Foreign Currency Amount	489.2	494.9
Net Investment Hedging [Member] | Cross Currency Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	1.1
Net Investment Hedging [Member] | Interest Expense [Member] | Cross Currency Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from AOCI	5.4
Fair Value Hedges [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	357.5	402.0
Fair Value Hedges [Member] | Interest Expense [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	0.0	(0.1)	0.9
Fair Value Hedges [Member] | Other Income [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	(0.2)	2.9	(12.8)
Other income, net	0.2	(2.9)	12.8
Fair Value Hedges [Member] | Other Income [Member] | Loans Payable [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	0.9	(2.7)	14.1
Other income, net	$ (0.9)	$ 2.7	$ (14.1)