Common Stock Repurchases (Details) - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 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)	0.6	0.4	1.1	0.8
Common stock repurchased and retired	$ 26,473,000	$ 20,000,000	$ 51,473,000	$ 35,000,000
Remaining authorized repurchase amount	$ 103,500,000		$ 103,500,000