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, 2020			99,869,000	(7,124,000)
Treasury stock, beginning balance (in shares) at Nov. 30, 2020					(1,107,000)
Beginning 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]
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 repurchased during period, (in shares)					4,668,600
Stock repurchases, including excise tax	(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					(5,785,000)
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 repurchased during period, (in shares)					4,928,000
Stock repurchases, including excise tax	(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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	590,177						590,177
Other comprehensive income (loss), net of tax	1,904								1,904
Dividends on common stock	$ (56,831)						(56,831)
Employee stock options/other (in shares)	564,826		565,000
Employee stock options/other	$ 8,857		$ 565			8,292
Stock awards (in shares)					927,000
Stock awards					$ 33,471	(33,471)
Stock-based compensation	34,612					34,612
Stock Repurchased During Period Including Excise Tax, value	415,136				$ 415,136
Stock repurchased during period, (in shares)					9,244,000
Tax payments associated with stock-based compensation awards (in shares)					(371,000)
Tax payments associated with stock-based compensation awards	$ (14,238)				$ (14,238)
Ending balance (in shares) at Nov. 30, 2023			101,276,000	(6,705,000)
Treasury stock, ending balance (in shares) at Nov. 30, 2023	18,703,704				(18,704,000)
Ending balance at Nov. 30, 2023	$ 3,810,140		$ 101,276	$ (72,718)	$ (737,364)	$ 845,693	$ 3,676,924		$ (3,671)