Income Taxes - (Narrative) (Details) - USD ($)	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Income Tax Contingency [Line Items]
Effective income tax rate (in percent)	23.50%	23.80%	18.80%
Income tax credits and adjustments	$ 25,200,000	$ 22,600,000	$ 49,500,000
Tax benefits from share-based compensation	5,500,000	1,800,000	7,100,000
Nondeductible expense	12,200,000	9,700,000	11,300,000
Deferred tax assets	186,475,000	238,356,000
Deferred tax assets	136,400,000	178,000,000
Valuation allowance	16,900,000	17,100,000
Decrease in valuation allowance	$ 200,000
Period for carry forward of tax benefits related to deferred tax assets	20 years
Unrecognized tax benefits	$ 2,376,000	975,000	930,000	$ 0
Total accrued interest and penalties related to unrecognized income tax benefits (less than $.1 at November 30, 2022)	100,000	100,000
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Operating loss carryforwards, expired	0	$ 100,000	$ 200,000
State and Local Jurisdiction | Expiration between 2025 and 2043
Income Tax Contingency [Line Items]
Operating loss carryforwards	33,800,000
Tax Credit Carryforward, Expiring in 2038
Income Tax Contingency [Line Items]
Future income from continuing operations before income taxes	$ 496,000,000