Financial Arrangements and Financial Instruments - Impact of Fair Value Hedges on Other Comprehensive Income, Accumulated Other Comprehensive Income and Income Statement (Details) - Fair Value Hedging - USD ($) $ in Millions	3 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Interest Expense | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest income (expense)	$ 0.5	$ 0.2
Other Income | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	(2.2)	1.7
Other Income | Loans Payable
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	$ 2.0	$ (1.8)