Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 7.6	$ 2.4	$ 7.6	$ 7.6
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	4.2		4.2	5.0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	3.0	0.9	3.0	1.5
Excess tax benefits associated with stock compensation	$ 1.2	$ 1.5	$ 1.2	$ 1.2