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Reconciliation of Beginning and Ending Balances of Total Amounts of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Income Tax Disclosure [Abstract]
Balance at the beginning of the period	$ 18,734	$ 18,945	$ 22,259
Increases in tax positions for prior years	54	1,055	28
Decreases in tax positions for prior years	(26)	(974)	(3,178)
Increases in tax positions for current year	332	147	249
Settlements	(117)	(177)
Lapse in statute of limitations	(315)	(262)	(413)
Balance at the end of the period	$ 18,662	$ 18,734	$ 18,945

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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
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-URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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