Stock-Based Compensation (Summary Of Stock Option Activity) (Details) - $ / shares shares in Thousands	12 Months Ended
Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Forfeited	$ 72.11	$ 84.00	$ 87.11
Forfeited	(200)	(100)	(100)
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at Beginning of year, Shares	6,100	5,300	4,800
Granted, Shares	0	1,200	900
Exercised, Shares	(400)	(300)	(300)
Outstanding at End of year, Shares	5,500	6,100	5,300
Exercisable at end of year, Number of Shares	4,700	4,400	4,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of year, Weighted-average exercise price (usd per share)	$ 72.25	$ 70.43	$ 67.08
Granted, Weighted-average exercise price (usd per share)	0	72.88	81.79
Exercised, Weighted-average exercise price (usd per share)	50.28	45.69	47.86
Outstanding at end of year, Weighted-average exercise price (usd per share)	73.92	72.25	70.43
Exercisable at end of year, Weighted-average exercise price (usd per share)	$ 73.54	$ 69.91	$ 64.74
Price Vested Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at Beginning of year, Shares	2,055	2,055	2,107
Forfeited	(2,055)	0	(52)
Outstanding at End of year, Shares	0	2,055	2,055
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of year, Weighted-average exercise price (usd per share)	$ 9.40	$ 9.40	$ 9.40
Forfeited	9.40	0	9.40
Outstanding at end of year, Weighted-average exercise price (usd per share)	$ 0	$ 9.40	$ 9.40

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average grant-date fair value of non-vested options forfeited.

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Number of share options (or share units) exercised during the current period.

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