Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation, tax credit, amount	$ 3.8	$ 22.9	$ 15.5	$ 22.9
Tax expense relating to the sale of a business	11.6		11.6
Tax benefits related to the revaluation of deferred taxes	1.4	2.4	3.9	2.5
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	4.7	4.3	6.2	9.2
Effective Income Tax Rate Reconciliation, Tax Benefit Resulting From Adjustment, Amount	$ 1.3	1.1	1.3	1.1
Shares issued, tax benefit			9.0	2.2
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance, amount			4.1	4.5
Effective Income Tax Rate Reconciliation, Disposition of Asset, Amount			$ 2.3
Unrecognized Tax Benefits Due To The Partial Release Of Certain Reserves		13.3		13.3
Unrecognized tax benefits, decrease resulting from acquisition		$ 1.0		$ 10.4