Financial Instruments - Impact of Fair Value Hedges on Other Comprehensive Income, Accumulated Other Comprehensive Income and Income Statement (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 14.9	$ 13.7	$ 29.4	$ 27.6
Fair Value Hedging [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	113.5		113.5
Other Income [Member] | Fair Value Hedging [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	5.0	0.0	2.3	0.0
Other Income [Member] | Fair Value Hedging [Member] | Loans Payable [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	(5.4)	0.0	(2.9)	0.0
Interest Expense [Member] | Fair Value Hedging [Member] | Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 0.2	$ 0.3	$ 0.5	$ 0.9
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Weighted average fixed rate on issuance of notes			2.45%