Earnings Per Share and Cash Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2025		Apr. 30, 2024
Dividends Payable [Line Items]
Dilutive common stock equivalents were excluded from the computation of diluted earnings per share	781,000		590,000
Cash dividend declared and payable	$ 0.35		$ 0.35
Dividends paid	$ 7,783	[1]	$ 7,773
Quarterly Cash Dividend Q1 2025
Dividends Payable [Line Items]
Cash dividend declared and payable			$ 0.35
Dividends paid			$ 7,800
Quarterly Cash Dividend Q1 2026
Dividends Payable [Line Items]
Cash dividend declared and payable	$ 0.35
Dividends paid	$ 7,800

[1] Dividends declared on April 16, 2025, payable on May 6, 2025.