Employee Benefit and Stock Plans (Narrative) (Details)				12 Months Ended				36 Months Ended
	Oct. 05, 2023 $ / shares	Nov. 14, 2022 $ / shares	Oct. 07, 2021 $ / shares	Nov. 30, 2023 USD ($) $ / shares shares	Nov. 30, 2022 USD ($) $ / shares shares	Nov. 30, 2021 USD ($) $ / shares shares	Nov. 30, 2020 metric	Nov. 30, 2022 USD ($) metric shares	Nov. 30, 2021 USD ($) metric shares	Apr. 20, 2023 shares	Apr. 19, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance of stock based awards to employees											5,900,000
Number of shares available for grant (in shares)				8,245,553	3,260,585	4,096,427		3,260,585	4,096,427
Exercises in period, total intrinsic value | $				$ 17,400,000	$ 0	$ 22,100,000
Intrinsic value of stock options outstanding | $				40,600,000	26,500,000	40,900,000		$ 26,500,000	$ 40,900,000
Intrinsic value of stock options exercisable | $				$ 40,600,000	$ 26,500,000	40,900,000		$ 26,500,000	$ 40,900,000
Shares of common stock held in trust (in shares)				6,705,247	6,705,247			6,705,247
Savings Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee contributions				6.00%
Aggregate cost related to saving plan | $				$ 8,300,000	$ 8,200,000	$ 7,200,000
Net assets invested in funds consisting common stock				5.00%	3.00%	4.00%		3.00%	4.00%
Equity Incentive 2014 Amended and Restated Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance of stock based awards to employees										18,200,000
Grant of stock option, Reduce the plan share capacity per share										1
Grant of restricted stock, reduce the plan share capacity per share										1.78
Share based payments award terms of award				10 years
Equity Incentive Plan 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for issuance of stock based awards to employees											12,300,000
Director Plan SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based payments award terms of award				15 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation expense related to unvested stock option awards | $				$ 0
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation expense related to unvested stock option awards | $				$ 18,600,000
Minimum period of restriction imposed on share grant lapse				3 years
Unrecognized share-based compensation cost weighted average period				3 years
Granted, weighted average per share grant date fair value (in dollars per share) | $ / shares				$ 41.78	$ 27.49	$ 40.55
Granted (in shares)				329,209	347,131	286,709
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation expense related to unvested stock option awards | $				$ 42,000,000
Minimum period of restriction imposed on share grant lapse	3 years			3 years			3 years	3 years	3 years
Unrecognized share-based compensation cost weighted average period				3 years
Granted, weighted average per share grant date fair value (in dollars per share) | $ / shares	$ 44.10	$ 30.12	$ 39.31	$ 39.80	$ 33.34	$ 39.67
Granted (in shares)				554,523	650,077	465,064
Number of metrics | metric							3	3	3
PSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant award percentage	0.00%
PSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant award percentage	200.00%
PSUs | PSU 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					265,782
PSUs | PSU 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)						119,733
PSUs | PSU 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				267,674
Director Plan SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non option outstanding number (in shares)				0	0	70,849		0	70,849
Non-Employee Director Deferred Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non option outstanding number (in shares)				271,683	409,648	469,171		409,648	469,171