Income Taxes (Details) - USD ($)	3 Months Ended			9 Months Ended		10 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Feb. 28, 2021	Aug. 31, 2022	Aug. 31, 2021	Dec. 31, 2020	Nov. 30, 2021
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income tax expense	$ 70,900,000	$ 24,100,000		$ 186,900,000	$ 80,900,000
Effective tax rate	21.70%	13.80%		23.70%	17.20%
Excess tax benefits related to stock-based compensation				$ (2,200,000)	$ (3,900,000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 2,900,000	$ 2,500,000		6,800,000	5,800,000
Tax credits	15,300,000	21,500,000		16,100,000	39,000,000
Deferred tax assets	173,700,000			173,700,000			$ 194,800,000
Valuation allowance	17,400,000			17,400,000			17,400,000
Adjustments to deferred tax valuation allowance				0
CARES Act Employee Retention Credit			$ 4,300,000
Income Tax Contingency [Line Items]
Share-based Payment Arrangement, Expense, Tax Benefit				2,200,000	3,900,000
Tax credits	15,300,000	$ 21,500,000		16,100,000	$ 39,000,000
Deferred Tax Assets, Valuation Allowance	$ 17,400,000			$ 17,400,000			$ 17,400,000
Maximum [Member]
Income Tax Contingency [Line Items]
RefundableTaxCreditAllowedPerEmployeeCARESAct						$ 5,000