Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Grantor Stock Ownership Trust	Treasury Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Number of shares, beginning balance (in shares) at Nov. 30, 2022		100,711,000	6,705,000
Treasury stock, beginning balance (in shares) at Nov. 30, 2022				(10,016,000)
Beginning balance at Nov. 30, 2022	$ 3,660,795	$ 100,711	$ (72,718)	$ (341,461)	$ 836,260	$ 3,143,578	$ (5,575)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	289,942					289,942
Dividends on common stock	(25,707)					(25,707)
Employee stock options/other (in shares)		308,000
Employee stock options/other	5,010	$ 308			4,702
Stock awards (in shares)				717,000
Stock awards	0			$ 24,883	(24,883)
Stock-based compensation	14,686				14,686
Stock repurchases, including excise tax (in shares)				(4,128,000)
Stock repurchases, including excise tax	(168,496)			$ (168,496)
Tax payments associated with stock-based compensation awards (in shares)				(277,000)
Tax payments associated with stock-based compensation awards	(9,748)			$ (9,748)
Number of shares, ending balance (in shares) at May. 31, 2023		101,019,000	6,705,000
Treasury stock, ending balance (in shares) at May. 31, 2023				(13,704,000)
Ending balance at May. 31, 2023	3,766,482	$ 101,019	$ (72,718)	$ (494,822)	830,765	3,407,813	(5,575)
Number of shares, beginning balance (in shares) at Feb. 28, 2023		100,783,000	6,705,000
Treasury stock, beginning balance (in shares) at Feb. 28, 2023				(11,587,000)
Beginning balance at Feb. 28, 2023	3,695,463	$ 100,783	$ (72,718)	$ (403,533)	819,904	3,256,602	(5,575)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	164,442					164,442
Dividends on common stock	(13,231)					(13,231)
Employee stock options/other (in shares)		236,000
Employee stock options/other	3,876	$ 236			3,640
Stock awards (in shares)				46,000
Stock awards	0			$ 1,598	(1,598)
Stock-based compensation	8,819				8,819
Stock repurchases, including excise tax (in shares)				(2,163,000)
Stock repurchases, including excise tax	(92,887)			$ (92,887)
Number of shares, ending balance (in shares) at May. 31, 2023		101,019,000	6,705,000
Treasury stock, ending balance (in shares) at May. 31, 2023				(13,704,000)
Ending balance at May. 31, 2023	$ 3,766,482	$ 101,019	$ (72,718)	$ (494,822)	830,765	3,407,813	(5,575)
Number of shares, beginning balance (in shares) at Nov. 30, 2023		101,276,000	6,705,000
Treasury stock, beginning balance (in shares) at Nov. 30, 2023	(18,703,704)			(18,704,000)
Beginning balance at Nov. 30, 2023	$ 3,810,140	$ 101,276	$ (72,718)	$ (737,364)	845,693	3,676,924	(3,671)
Number of shares, ending balance (in shares) at Feb. 29, 2024		101,862,000	6,705,000
Treasury stock, ending balance (in shares) at Feb. 29, 2024				(19,241,000)
Ending balance at Feb. 29, 2024	$ 3,882,670	$ 101,862	$ (72,718)	$ (781,809)	839,772	3,799,234	(3,671)
Number of shares, beginning balance (in shares) at Nov. 30, 2023		101,276,000	6,705,000
Treasury stock, beginning balance (in shares) at Nov. 30, 2023	(18,703,704)			(18,704,000)
Beginning balance at Nov. 30, 2023	$ 3,810,140	$ 101,276	$ (72,718)	$ (737,364)	845,693	3,676,924	(3,671)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	307,084					307,084
Dividends on common stock	$ (35,130)					(35,130)
Employee stock options/other (in shares)	615,926	616,000
Employee stock options/other	$ 9,272	$ 616			8,656
Stock awards (in shares)				571,000
Stock awards	0			$ 22,998	(22,998)
Stock-based compensation	$ 17,284				17,284
Stock repurchases, including excise tax (in shares)	(1,591,405)			(1,592,000)
Stock repurchases, including excise tax	$ (100,441)			$ (100,441)
Tax payments associated with stock-based compensation awards (in shares)				(258,000)
Tax payments associated with stock-based compensation awards	$ (16,505)			$ (16,505)
Number of shares, ending balance (in shares) at May. 31, 2024		101,892,000	6,705,000
Treasury stock, ending balance (in shares) at May. 31, 2024	(19,982,889)			(19,983,000)
Ending balance at May. 31, 2024	$ 3,991,704	$ 101,892	$ (72,718)	$ (831,312)	848,635	3,948,878	(3,671)
Number of shares, beginning balance (in shares) at Feb. 29, 2024		101,862,000	6,705,000
Treasury stock, beginning balance (in shares) at Feb. 29, 2024				(19,241,000)
Beginning balance at Feb. 29, 2024	3,882,670	$ 101,862	$ (72,718)	$ (781,809)	839,772	3,799,234	(3,671)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	168,419					168,419
Dividends on common stock	(18,775)					(18,775)
Employee stock options/other (in shares)		30,000
Employee stock options/other	468	$ 30			438
Stock awards (in shares)				23,000
Stock awards	0			$ 938	(938)
Stock-based compensation	9,363				9,363
Stock repurchases, including excise tax (in shares)				(765,000)
Stock repurchases, including excise tax	$ (50,441)			$ (50,441)
Number of shares, ending balance (in shares) at May. 31, 2024		101,892,000	6,705,000
Treasury stock, ending balance (in shares) at May. 31, 2024	(19,982,889)			(19,983,000)
Ending balance at May. 31, 2024	$ 3,991,704	$ 101,892	$ (72,718)	$ (831,312)	$ 848,635	$ 3,948,878	$ (3,671)