Acquisitions (Transaction and Integration Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Business Acquisition [Line Items]
Transaction and integration expenses	$ 0.0	$ 2.2	$ 29.0
Integration expenses	0.0	2.2	15.2
Total transaction and integration costs	0.0	2.2	35.3
Cost of Sales
Business Acquisition [Line Items]
Transaction and integration expenses	0.0	0.0	6.3
Selling, General and Administrative Expenses
Business Acquisition [Line Items]
Transaction and integration expenses	$ 0.0	$ 0.0	$ 13.8