Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Earnings Per Share and Cash Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands									3 Months Ended							9 Months Ended
	Aug. 25, 2022	May 26, 2022	Mar. 24, 2022	Nov. 23, 2021	Aug. 26, 2021	May 27, 2021	Mar. 25, 2021	Feb. 05, 2021	Oct. 31, 2022	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Oct. 31, 2022	Oct. 31, 2021
Earnings Per Share [Abstract]
Dilutive common stock equivalents were excluded from the computation of diluted earnings per share									433,000				269,000			270,000	406,000
Cash dividend declared and payable	$ 0.35	$ 0.35	$ 0.35	$ 0.25	$ 0.20	$ 0.20	$ 0.20									$ 1.05	$ 0.60
Dividend paid								$ 2,300	$ 7,800	$ 7,900	$ 7,900	$ 5,700	$ 4,600	$ 4,700	$ 4,600	$ 23,600	$ 13,906
Dividend payable date									Sep. 21, 2022	Jun. 22, 2022	Apr. 20, 2022	Dec. 17, 2021	Sep. 22, 2021	Jun. 23, 2021	Apr. 21, 2021
Cash dividend paid per share								$ 0.10
Dividend payable, record date	Sep. 07, 2022	Jun. 08, 2022	Apr. 06, 2022	Dec. 03, 2021	Sep. 08, 2021	Jun. 09, 2021	Apr. 07, 2021	Jan. 21, 2021