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Intangible Assets and Goodwill - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Jan. 31, 2025
USD ($)
Jan. 31, 2025
USD ($)
ReportingUnit
Jan. 31, 2024
USD ($)
Jan. 31, 2023
USD ($)
Restructuring Cost and Reserve [Line Items]        
Impairments of intangible assets   $ 0 $ 0  
Amortization expense   $ 2,600,000 2,400,000 $ 1,900,000
Number of reporting units | ReportingUnit   2    
Goodwill recognized $ 14,515,000 $ 14,515,000 14,633,000  
Goodwill impairment charges   13,403,000 0 0
PI [Member]        
Restructuring Cost and Reserve [Line Items]        
Goodwill recognized 9,993,000 9,993,000 10,111,000  
Goodwill impairment charges   13,403,000 0 0
T&M [Member]        
Restructuring Cost and Reserve [Line Items]        
Goodwill recognized 4,522,000 4,522,000 4,522,000  
Goodwill impairment charges   0 $ 0 $ 0
MTEX [Member]        
Restructuring Cost and Reserve [Line Items]        
Goodwill recognized 14,300,000 14,300,000    
MTEX [Member] | PI [Member]        
Restructuring Cost and Reserve [Line Items]        
Goodwill recognized 14,300,000 $ 14,300,000    
Goodwill impairment charges $ 13,400,000      
MTEX Restructuring Plan [Member] | PI [Member]        
Restructuring Cost and Reserve [Line Items]        
Product portfolio percentage   70.00%