Business Combinations - Transaction and Integration Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2021	Aug. 31, 2020
Business Combination, Separately Recognized Transactions [Line Items]
Business Combination, Integration Related Costs	$ 1.3		$ 13.2
Total transaction and integration costs	1.3		33.3
Transaction and integration expenses	1.3	$ 0.0	27.0	$ 0.0
Cost of Sales
Business Combination, Separately Recognized Transactions [Line Items]
Transaction and integration expenses	0.0		6.3
Selling, General and Administrative Expenses
Business Combination, Separately Recognized Transactions [Line Items]
Transaction and integration expenses	$ 0.0		$ 13.8