Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Income Taxes [Line Items]
Statutory tax rate	21.00%	21.00%	21.00%
Deferred tax liabilities, not recognized	$ 14,400,000
Cumulative undistributed earnings of foreign subsidiaries	97,700,000
Gross deferred tax assets, net of deferred tax liabilities before valuation allowance	37,700,000	$ 27,600,000
Valuation allowance	24,083,000	17,962,000
Unrecognized tax benefits	30,884,000	29,527,000	$ 42,695,000	$ 37,531,000
Unrecognized tax benefits that would impact effective tax rate	24,400,000
Interest expense and penalties related to uncertain tax positions	303,000	283,000	$ 358,000
Noncurrent liabilities related to interest and penalties for uncertain tax positions	1,346,000	1,043,000
Increased unrecognized tax benefits	1,400,000
Unrecognized tax benefits gross	30,900,000
Long term income taxes payable, including estimated interest and penalties	9,300,000
Other Long-Term Liabilities [Member]
Income Taxes [Line Items]
Income tax liabilities considered as other long term liabilities	8,000,000.0	$ 7,900,000
U.S. state tax authorities [Member]
Income Taxes [Line Items]
Valuation allowance	$ 22,100,000
U.S. state tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2009
U.S. state tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2021
U.S. federal tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2013
U.S. federal tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2021
Foreign tax authorities [Member] | Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2015
Foreign tax authorities [Member] | Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year	2021
California state [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 7,000,000.0
Net operating loss carryforwards begin to expire in fiscal year		2036
Research and development credit carryforwards	33,000,000.0
Federal [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	34,100,000
Research and development credit carryforwards	$ 28,100,000
Federal credits begin to expire in fiscal year		2035