Quarterly report [Sections 13 or 15(d)]

Debt - Additional Information (Detail)

v3.25.3
Debt - Additional Information (Detail)
¥ in Thousands, $ in Thousands
6 Months Ended
Oct. 13, 2023
USD ($)
Oct. 10, 2023
Sep. 30, 2025
USD ($)
Sep. 30, 2025
CNY (¥)
Mar. 31, 2025
USD ($)
Debt Instrument [Line Items]          
Term loan payment period   5 years      
Letter of Credit [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit     0.60%    
Letters of credit outstanding amount     $ 9,118   $ 10,997
Minimum [Member]          
Debt Instrument [Line Items]          
Consolidated total leverage ratio 1        
Consolidated fixed charge coverage ratio 1        
Maximum [Member]          
Debt Instrument [Line Items]          
Consolidated total leverage ratio 3.5        
Consolidated fixed charge coverage ratio 1.2        
HSBC Bank USA [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     3,028    
China Construction Bank [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     532    
China Citic Bank Co. LTD [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     239    
Line of credit | ¥       ¥ 20,000  
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Line of credit facility, Current $ 50,000   0    
Letters of credit outstanding amount     $ 5,319    
Revolving Credit Facility [Member] | Letter of Credit [Member]          
Debt Instrument [Line Items]          
Maximum limit of credit facility $ 25,000        
Revolving Credit Facility [Member] | Minimum [Member] | Letter of Credit [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit     0.75%    
Revolving Credit Facility [Member] | Maximum [Member] | Letter of Credit [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit     0.85%    
New Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 1.00%        
Line of credit facility, Current     $ 44,681    
Federal funds rate 0.50%        
New Revolving Credit Facility [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit 0.10%        
New Revolving Credit Facility [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit 0.20%        
New Revolving Credit Facility [Member] | SOFR [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 0.00%   4.24%    
New Revolving Credit Facility [Member] | SOFR [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 1.25%        
New Revolving Credit Facility [Member] | SOFR [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 2.50%        
New Revolving Credit Facility [Member] | Base Rate [Member]          
Debt Instrument [Line Items]          
Line of credit facility, interest rate description option, either (i) a forward-looking term rate based on the secured overnight financing rate ("SOFR") for the applicable interest period, subject to a floor of 0.0% per annum or (ii) a base rate determined by reference to the highest of (a) the rate of interest per annum publicly announced by the Lender as its prime rate, (b) the federal funds rate plus 0.50% per annum or (c) one-month term SOFR plus 1.00% per annum, subject to a floor of 1.00% per annum, plus, in each case, an applicable margin. The applicable margins range between (i) 1.25% per annum and 2.50% per annum in the case of any term SOFR loan and (ii) 0.25% per annum and 1.50% per annum in the case of any base rate loan, in each case based upon the Company’s then-current consolidated total leverage ratio.        
New Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 0.25%        
New Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 1.50%