Employee Benefit and Stock Plans (Stock Options Outstanding and Exercisable) (Details)	12 Months Ended
	Nov. 30, 2022 $ / shares shares
Stock options outstanding and stock options exercisable
Range of exercise price, minimum (in dollars per share)	$ 6.32
Range of exercise price, maximum (in dollars per share)	$ 16.63
Options outstanding, options (in shares) | shares	1,674,393
Options outstanding, weighted average exercise price (in dollars per share)	$ 15.56
Options outstanding, weighted average remaining contractual life	2 years 10 months 24 days
Options exercisable, options (in shares) | shares	1,674,393
Options exercisable, weighted average exercise price (in dollars per share)	$ 15.56
Options exercisable, weighted average remaining contractual life (in years)	2 years 10 months 24 days
$6.32 to $14.62
Stock options outstanding and stock options exercisable
Range of exercise price, minimum (in dollars per share)	$ 6.32
Range of exercise price, maximum (in dollars per share)	$ 14.62
Options outstanding, options (in shares) | shares	201,517
Options outstanding, weighted average exercise price (in dollars per share)	$ 14.62
Options outstanding, weighted average remaining contractual life	1 year 10 months 24 days
Options exercisable, options (in shares) | shares	201,517
Options exercisable, weighted average exercise price (in dollars per share)	$ 14.62
$14.63 to $14.92
Stock options outstanding and stock options exercisable
Range of exercise price, minimum (in dollars per share)	14.63
Range of exercise price, maximum (in dollars per share)	$ 14.92
Options outstanding, options (in shares) | shares	663,000
Options outstanding, weighted average exercise price (in dollars per share)	$ 14.92
Options outstanding, weighted average remaining contractual life	2 years 10 months 24 days
Options exercisable, options (in shares) | shares	663,000
Options exercisable, weighted average exercise price (in dollars per share)	$ 14.92
$14.93 to $16.21
Stock options outstanding and stock options exercisable
Range of exercise price, minimum (in dollars per share)	14.93
Range of exercise price, maximum (in dollars per share)	$ 16.21
Options outstanding, options (in shares) | shares	611,876
Options outstanding, weighted average exercise price (in dollars per share)	$ 16.21
Options outstanding, weighted average remaining contractual life	3 years 9 months 18 days
Options exercisable, options (in shares) | shares	611,876
Options exercisable, weighted average exercise price (in dollars per share)	$ 16.21
$16.22 to $16.63
Stock options outstanding and stock options exercisable
Range of exercise price, minimum (in dollars per share)	16.22
Range of exercise price, maximum (in dollars per share)	$ 16.63
Options outstanding, options (in shares) | shares	198,000
Options outstanding, weighted average exercise price (in dollars per share)	$ 16.63
Options outstanding, weighted average remaining contractual life	10 months 24 days
Options exercisable, options (in shares) | shares	198,000
Options exercisable, weighted average exercise price (in dollars per share)	$ 16.63