Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2023	Feb. 28, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	10,015,507
Beginning balance	$ 3,660,795	$ 3,019,475
Net income	125,500	134,257
Dividends on common stock	$ (12,476)	(14,130)
Employee stock options/other (in shares)	71,980
Employee stock options/other	$ 1,134
Stock awards	0	0
Stock-based compensation	5,867	6,867
Stock repurchases	(75,609)
Tax payments associated with stock-based compensation awards	$ (9,748)	(12,153)
Treasury stock, ending balance (in shares)	11,586,694
Ending balance	$ 3,695,463	$ 3,134,316
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	(100,711,000)	(100,711,000)
Beginning balance	$ 100,711	$ 100,711
Employee stock options/other (in shares)	72,000
Employee stock options/other	$ 72
Stock awards	$ 0
Ending balance (in shares)	(100,783,000)	(100,711,000)
Ending balance	$ 100,783	$ 100,711
Grantor Stock Ownership Trust
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	6,705,000	6,705,000
Beginning balance	$ (72,718)	$ (72,718)
Ending balance (in shares)	6,705,000	6,705,000
Ending balance	$ (72,718)	$ (72,718)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(10,016,000)	(5,785,000)
Beginning balance	$ (341,461)	$ (217,383)
Stock awards (in shares)	671,000	721,000
Stock awards	$ 23,285	$ 27,249
Stock repurchases	$ (75,609)
Stock repurchases (in shares)	(1,965,442)
Tax payments associated with stock-based compensation awards (in shares)	(277,000)	(320,000)
Tax payments associated with stock-based compensation awards	$ (9,748)	$ (12,153)
Treasury stock, ending balance (in shares)	(11,587,000)	(5,384,000)
Ending balance	$ (403,533)	$ (202,287)
Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	836,260	848,620
Employee stock options/other	1,062
Stock awards	(23,285)	(27,249)
Stock-based compensation	5,867	6,867
Ending balance	819,904	828,238
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	3,143,578	2,379,364
Net income	125,500	134,257
Dividends on common stock	(12,476)	(14,130)
Ending balance	3,256,602	2,499,491
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(5,575)	(19,119)
Ending balance	$ (5,575)	$ (19,119)