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, 2023		101,276,000	6,705,000
Treasury stock, beginning balance (in shares) at Nov. 30, 2023				(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	464,413					464,413
Dividends on common stock	(53,537)					(53,537)
Employee stock options/other (in shares)		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	25,252				25,252
Stock repurchases, including excise tax (in shares)				(3,461,000)
Stock repurchases, including excise tax	(251,941)			$ (251,941)
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 Aug. 31, 2024		101,892,000	6,705,000
Treasury stock, ending balance (in shares) at Aug. 31, 2024				(21,852,000)
Ending balance at Aug. 31, 2024	3,987,094	$ 101,892	$ (72,718)	$ (982,812)	856,603	4,087,800	(3,671)
Number of shares, beginning balance (in shares) at May. 31, 2024		101,892,000	6,705,000
Treasury stock, beginning balance (in shares) at May. 31, 2024				(19,983,000)
Beginning balance at May. 31, 2024	3,991,704	$ 101,892	$ (72,718)	$ (831,312)	848,635	3,948,878	(3,671)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	157,329					157,329
Dividends on common stock	(18,407)					(18,407)
Stock-based compensation	7,968				7,968
Stock repurchases, including excise tax (in shares)				(1,869,000)
Stock repurchases, including excise tax	(151,500)			$ (151,500)
Number of shares, ending balance (in shares) at Aug. 31, 2024		101,892,000	6,705,000
Treasury stock, ending balance (in shares) at Aug. 31, 2024				(21,852,000)
Ending balance at Aug. 31, 2024	$ 3,987,094	$ 101,892	$ (72,718)	$ (982,812)	856,603	4,087,800	(3,671)
Number of shares, beginning balance (in shares) at Nov. 30, 2024		74,410,000	0
Treasury stock, beginning balance (in shares) at Nov. 30, 2024	(2,253,156)			(2,253,000)
Beginning balance at Nov. 30, 2024	$ 4,060,616	$ 74,410	$ 0	$ (141,562)	862,049	3,269,423	(3,704)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	327,268					327,268
Dividends on common stock	$ (52,806)					(52,806)
Employee stock options/other (in shares)	41,500	41,000
Employee stock options/other	$ 652	$ 41			611
Stock awards (in shares)				612,000
Stock awards	0			$ 38,882	(38,882)
Stock-based compensation	25,131				25,131
Stock repurchases, including excise tax (in shares)				(7,788,000)
Stock repurchases, including excise tax	(442,614)			$ (442,614)
Tax payments associated with stock-based compensation awards (in shares)				(258,000)
Tax payments associated with stock-based compensation awards	$ (15,884)			$ (15,884)
Number of shares, ending balance (in shares) at Aug. 31, 2025		74,451,000	0
Treasury stock, ending balance (in shares) at Aug. 31, 2025	(9,686,792)			(9,687,000)
Ending balance at Aug. 31, 2025	$ 3,902,363	$ 74,451	$ 0	$ (561,178)	848,909	3,543,885	(3,704)
Number of shares, beginning balance (in shares) at May. 31, 2025		74,437,000	0
Treasury stock, beginning balance (in shares) at May. 31, 2025				(6,387,000)
Beginning balance at May. 31, 2025	3,990,538	$ 74,437	$ 0	$ (370,841)	840,296	3,450,350	(3,704)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	109,828					109,828
Dividends on common stock	(16,293)					(16,293)
Employee stock options/other (in shares)		14,000
Employee stock options/other	207	$ 14			193
Stock-based compensation	8,420				8,420
Stock repurchases, including excise tax (in shares)				(3,300,000)
Stock repurchases, including excise tax	$ (190,337)			$ (190,337)
Number of shares, ending balance (in shares) at Aug. 31, 2025		74,451,000	0
Treasury stock, ending balance (in shares) at Aug. 31, 2025	(9,686,792)			(9,687,000)
Ending balance at Aug. 31, 2025	$ 3,902,363	$ 74,451	$ 0	$ (561,178)	$ 848,909	$ 3,543,885	$ (3,704)