Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Income Tax Disclosure [Abstract]
Effective income tax rate reconciliation, tax credit, amount	$ 10.3	$ 5.3
Shares issued, tax benefit	7.6
Tax benefits related to the revaluation of deferred taxes	$ 2.5
Unrecognized tax benefits, decrease resulting from acquisition		11.4
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance, amount		4.5
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations		$ 1.2