Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Summary of Significant Accounting Policies (Detail)

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Basis of Presentation and Summary of Significant Accounting Policies (Detail)
 12 Months Ended
Mar. 31, 2024
USD ($)
financial_institution
segment
Mar. 31, 2023
USD ($)
financial_institution
Mar. 31, 2022
USD ($)
Significant Accounting Policies [Line Items]      
Number of operating segments | segment 2    
Number of reportable segments | segment 2    
Software costs capitalized $ 24,367,000 $ 22,816,000 $ 23,784,000
Computer software, net 40,239,000 35,058,000  
Capitalized implementation costs 6,965,000 736,000  
Capitalized implementation costs, amortization 619,000 0  
Employer contribution amount 1,868,000 1,360,000 811,000
Foreign currency translation loss 6,271,000 2,386,000 39,395,000
Impairment of goodwill 336,640,000 0 0
Accumulated impairment of goodwill   0 0
Asset impairment charges $ 0 $ 0 $ 0
Number of financial institutions | financial_institution 7 7  
Number of financial institutions FDIC insured | financial_institution 3 3  
Cash, uninsured amount $ 32,797,000 $ 72,558,000  
Non-US      
Significant Accounting Policies [Line Items]      
Number of financial institutions | financial_institution 4 4  
Prepaid expenses and other current assets      
Significant Accounting Policies [Line Items]      
Capitalized implementation costs $ 1,239,000    
Other non-current assets      
Significant Accounting Policies [Line Items]      
Capitalized implementation costs $ 5,727,000    
Minimum      
Significant Accounting Policies [Line Items]      
Intangible assets, useful life 5 years    
Maximum      
Significant Accounting Policies [Line Items]      
Intangible assets, useful life 18 years    
Developed software      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 3 years    
Leasehold improvements | Minimum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 8 years    
Leasehold improvements | Maximum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 10 years    
Other assets | Minimum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 3 years    
Other assets | Maximum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 5 years