Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Income Tax Contingency [Line Items]
Income tax provision (benefit)	$ 6,418,000	$ 5,315,000	$ 12,429,000	$ 8,645,000
Effective tax rate for continuing operations	20.90%	21.50%	22.20%	22.90%
Deferred tax liability, undistributed foreign earnings	$ 0		$ 0
Undistributed foreign earnings	$ 215,900,000		$ 215,900,000