Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Grantor Stock Ownership Trust	Treasury Stock	Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Nov. 30, 2019			121,593,000	(7,631,000)
Treasury stock, beginning balance (in shares) at Nov. 30, 2019					(24,356,000)
Beginning balance at Nov. 30, 2019	$ 2,383,122	$ 1,510	$ 121,593	$ (82,758)	$ (591,344)	$ 793,954	$ 2,157,183	$ 1,510	$ (15,506)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification of stranded tax effects	1,600						1,643		(1,643)
Net income	296,243						296,243
Other comprehensive income (loss), net of tax	(5,127)								(5,127)
Dividends on common stock	$ (38,065)						(38,065)
Employee stock options/other (in shares)	1,694,767		1,696,000		17,000
Employee stock options/other	$ 16,058		$ 1,696		$ 421	13,941
Stock awards (in shares)			68,000	507,000	(15,000)
Stock awards			$ 68	$ 5,493	$ (441)	(5,120)
Stock-based compensation	21,531					21,531
Tax payments associated with stock-based compensation awards (in shares)					(241,000)
Tax payments associated with stock-based compensation awards	$ (9,503)				$ (9,503)
Retirement of treasury stock (in shares)	(23,487,966)		(23,488,000)		23,488,000
Retirement of treasury stock			$ (23,488)		$ 573,106		(549,618)
Ending balance (in shares) at Nov. 30, 2020			99,869,000	(7,124,000)
Treasury stock, ending balance (in shares) at Nov. 30, 2020					(1,107,000)
Ending balance at Nov. 30, 2020	$ 2,665,769	$ (226)	$ 99,869	$ (77,265)	$ (27,761)	824,306	1,868,896	$ (226)	(22,276)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]	Accounting Standards Update 2016-13 [Member]
Net income	$ 564,746						564,746
Other comprehensive income (loss), net of tax	3,157								3,157
Dividends on common stock	$ (54,052)						(54,052)
Employee stock options/other (in shares)	788,321		798,000
Employee stock options/other	$ 11,689		$ 798			10,891
Stock awards (in shares)			44,000	419,000	199,000
Stock awards			$ 44	$ 4,547	$ 10,890	(15,481)
Stock-based compensation	28,904					28,904
Stock repurchases (in shares)					(4,669,000)
Stock repurchases	(188,175)				$ (188,175)
Tax payments associated with stock-based compensation awards (in shares)					(208,000)
Tax payments associated with stock-based compensation awards	$ (12,337)				$ (12,337)
Ending balance (in shares) at Nov. 30, 2021			100,711,000	(6,705,000)
Treasury stock, ending balance (in shares) at Nov. 30, 2021	5,785,058				(5,785,000)
Ending balance at Nov. 30, 2021	$ 3,019,475		$ 100,711	$ (72,718)	$ (217,383)	848,620	2,379,364		(19,119)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	816,666						816,666
Other comprehensive income (loss), net of tax	13,544								13,544
Dividends on common stock	$ (52,452)						(52,452)
Employee stock options/other (in shares)	0
Stock awards (in shares)					1,088,000
Stock awards					$ 41,824	(41,824)
Stock-based compensation	$ 29,464					29,464
Stock repurchases (in shares)					(4,928,000)
Stock repurchases	(150,000)				$ (150,000)
Tax payments associated with stock-based compensation awards (in shares)					(391,000)
Tax payments associated with stock-based compensation awards	$ (15,902)				$ (15,902)
Ending balance (in shares) at Nov. 30, 2022			100,711,000	(6,705,000)
Treasury stock, ending balance (in shares) at Nov. 30, 2022	10,015,507				(10,016,000)
Ending balance at Nov. 30, 2022	$ 3,660,795		$ 100,711	$ (72,718)	$ (341,461)	$ 836,260	$ 3,143,578		$ (5,575)