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Income Taxes - Additional Information (Detail) - USD ($)
12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Income Taxes [Line Items]        
Statutory tax rate 21.00% 21.00% 21.00%  
Deferred tax liabilities, not recognized $ 7,800,000      
Cumulative undistributed earnings of foreign subsidiaries 86,400,000      
Net deferred tax liabilities after valuation allowance 656,000      
Net deferred tax assets after valuation allowance   $ 18,032,000    
Valuation allowance 60,036,000 28,596,000    
Unrecognized tax benefits 22,628,000 21,656,000 $ 30,884,000 $ 29,527,000
Unrecognized tax benefits that would impact effective tax rate 3,100,000      
Interest expense and penalties related to uncertain tax positions 50,000.00 (700,000) $ 300,000  
Noncurrent liabilities related to interest and penalties for uncertain tax positions 700,000 600,000    
Increased (reduced) unrecognized tax benefits 1,000,000      
Long term income taxes payable, including estimated interest and penalties 3,800,000      
Maximum [Member]        
Income Taxes [Line Items]        
Increased (reduced) unrecognized tax benefits (9,000,000)      
Other Long-Term Liabilities [Member]        
Income Taxes [Line Items]        
Income tax liabilities considered as other long term liabilities $ 3,100,000 $ 3,200,000    
U.S. state tax authorities [Member] | Earliest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2020      
U.S. state tax authorities [Member] | Latest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2024      
U.S. federal tax authorities [Member] | Earliest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2021      
U.S. federal tax authorities [Member] | Latest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2024      
Foreign tax authorities [Member] | Earliest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2017      
Foreign tax authorities [Member] | Latest tax year [Member]        
Income Taxes [Line Items]        
Income tax examination, year 2024      
California state [Member]        
Income Taxes [Line Items]        
Net operating loss carryforwards $ 1,000,000      
Net operating loss carryforwards begin to expire in fiscal year 2040      
Research and development credit carryforwards $ 34,600,000      
Federal [Member]        
Income Taxes [Line Items]        
Net operating loss carryforwards 28,700,000      
Research and development credit carryforwards $ 24,000,000      
Federal credits begin to expire in fiscal year 2036