Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2025	May 31, 2024	May 31, 2025	May 31, 2024
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation, tax credit, amount	$ 2.4	$ 20.2	$ 7.6
Tax credit, amount				$ 18.6
Tax benefits from the reversal of certain reserves and uncertainties, associated with the expiration of statutes of limitations	1.5	1.3	1.5	1.3
Share-Based Payment Arrangement, Expense, Tax	$ 0.9	0.3	1.2	1.9
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability			$ 5.0
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount		19.4		19.4
Unrecognized Tax Benefits, Reduction Resulting From State Tax Matter		$ 0.8		$ 0.2