Stockholders’ Equity (Details)		12 Months Ended			60 Months Ended
	Dec. 15, 2021 $ / shares	Nov. 30, 2021 USD ($) unit $ / shares shares	Nov. 30, 2020 USD ($) $ / shares shares	Nov. 30, 2019 USD ($) $ / shares shares	Nov. 30, 2021 USD ($) $ / shares shares	Jan. 31, 2020 USD ($)	Jan. 01, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, shares issued (in shares)		0	0		0
Preferred stock, shares outstanding (in shares)		0			0
Common stock, shares authorized (in shares)		200,000,000	200,000,000		200,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01		$ 0.01
Common stock, shares issued (in shares)		44,146,193	44,240,635		44,146,193
Common stock, shares outstanding (in shares)		44,146,193	44,240,635		44,146,193
Share repurchase program, authorized amount | $						$ 250,000,000	$ 75,000,000
Common stock repurchased and retired (in shares)		800,000	1,400,000	700,000
Common stock repurchased and retired, value (in dollars) | $		$ 35,000,000	$ 60,000,000	$ 25,000,000
Remaining authorized repurchase amount | $		$ 155,000,000			$ 155,000,000
Cash dividends paid per common share (in dollars per share) | $ / shares					$ 0.125
Cash dividends declared per common share (in dollars per share) | $ / shares		$ 0.700	$ 0.670	$ 0.630
Dividends paid | $		$ 31,600,000	$ 29,900,000	$ 27,800,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividends paid per common share (in dollars per share) | $ / shares	$ 0.175
Deferred Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred stock units, shares outstanding (in shares)		253,255			253,255
Deferred stock unit of common stock (in shares) | unit		1