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
Beginning balance (in shares) at Nov. 30, 2021		100,711,000	(6,705,000)
Treasury stock, beginning balance (in shares) at Nov. 30, 2021				(5,785,000)
Beginning 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, excluding excise tax (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				(10,016,000)
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 repurchases, excluding excise tax (in shares)				(9,244,437)
Stock repurchases				$ (411,400)
Stock repurchases, including excise tax	(415,136)			$ (415,136)
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	655,018					655,018
Other comprehensive income (loss), net of tax	(33)						(33)
Dividends on common stock	$ (71,554)					(71,554)
Employee stock options/other (in shares)	691,426	691,000
Employee stock options/other	$ 10,433	$ 691			9,742
Stock awards (in shares)				682,000
Stock awards				$ 27,856	(27,856)
Stock-based compensation	34,470				34,470
Stock repurchases, excluding excise tax (in shares)				(4,725,181)
Stock repurchases				$ (350,000)
Stock repurchases, including excise tax	(352,842)			$ (352,842)
Tax payments associated with stock-based compensation awards (in shares)				(358,000)
Tax payments associated with stock-based compensation awards	(25,016)			$ (25,016)
Termination of grantor stock ownership trust (in shares)Dissolution of Grantor Stock Ownership Trust, Shares			6,705,000	(6,705,000)
Termination of grantor stock ownership trust	$ 0		$ 72,718	$ (72,718)
Retirement of treasury stock (in shares)		(27,557,000)		(27,557,000)
Retirement of treasury stock		$ (27,557)		$ 1,018,522		(990,965)
Ending balance (in shares) at Nov. 30, 2024		74,410,000	0
Treasury stock, ending balance (in shares) at Nov. 30, 2024	(2,253,156)			(2,253,000)
Ending balance at Nov. 30, 2024	$ 4,060,616	$ 74,410	$ 0	$ (141,562)	$ 862,049	$ 3,269,423	$ (3,704)