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Earnings Per Share and Cash Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended				6 Months Ended
	Mar. 26, 2022	Mar. 24, 2022	May 27, 2021	Mar. 25, 2021	Feb. 05, 2021	Jul. 31, 2022	Apr. 30, 2022	Jul. 31, 2021	Apr. 30, 2021	Jul. 31, 2022	Jul. 31, 2021
Earnings Per Share Diluted [Line Items]
Dilutive common stock equivalents were excluded from the computation of diluted earnings per share						523,000		365,000		258,000	319,000
Cash dividend declared and payable	$ 0.35	$ 0.35	$ 0.20	$ 0.20						$ 0.70	$ 0.40
Dividend paid					$ 2,300	$ 7,900	$ 7,900	$ 4,700	$ 4,600	$ 15,797	$ 9,298
Dividend payable date						Jun. 22, 2022	Apr. 20, 2022	Jun. 23, 2021	Apr. 21, 2021
Cash dividend paid per share					$ 0.10
Dividend payable, record date	Jun. 08, 2022	Apr. 06, 2022	Jun. 09, 2021	Apr. 07, 2021	Jan. 21, 2021