Common Stock Repurchases (Details) - USD ($) shares in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021	Jan. 31, 2020	Nov. 30, 2019
Equity [Abstract]
Stock repurchase authorization					$ 250,000,000	$ 75,000,000
Common stock repurchased and retired (in shares)	0.5	0.0	1.7	0.8
Common stock repurchased and retired	$ 24,051,000		$ 75,524,000	$ 35,000,000
Remaining authorized repurchase amount	$ 79,500,000		$ 79,500,000