Valuation And Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 38.2	$ 31.8	$ 33.7
Charged to Costs and Expenses	9.7	8.3	3.0
Charged to Other Accounts	0.4	(1.1)	(1.2)
Deductions	(3.1)	(0.8)	(3.7)
Balance at End of Period	45.2	38.2	31.8
Allowance For Doubtful Receivables [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	4.7	5.9	7.3
Charged to Costs and Expenses	(0.2)	0.3	(0.7)
Charged to Other Accounts	(0.1)	(1.2)	(1.2)
Deductions	(0.3)	(0.3)	0.5
Balance at End of Period	4.1	4.7	5.9
Valuation Allowance On Net Deferred Tax Assets [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	33.5	25.9	26.4
Charged to Costs and Expenses	9.9	8.0	3.7
Charged to Other Accounts	0.5	0.1	0.0
Deductions	(2.8)	(0.5)	(4.2)
Balance at End of Period	$ 41.1	$ 33.5	$ 25.9