Annual report [Section 13 and 15(d), not S-K Item 405]

Debt - Additional Information (Detail)

v3.25.1
Debt - Additional Information (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Jul. 15, 2024
USD ($)
Oct. 13, 2023
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2025
CNY (¥)
Debt Instrument [Line Items]          
Letters of credit outstanding amount     $ 10,997 $ 8,442  
Letter of Credit [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit     0.60%    
Letters of credit outstanding amount     $ 10,997 8,442  
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      
H S B C Bank U S A [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     4,498    
Bank of America [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     150    
China Construction Bank [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     11    
China Citic Bank Co. LTD [Member]          
Debt Instrument [Line Items]          
Letters of credit outstanding amount     1,044    
Line of credit | ¥         ¥ 20,000
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Term loan payment period   5 years      
Line of credit facility, Current   $ 50,000 0    
Letters of credit outstanding amount     $ 5,295    
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%    
Revolving Credit Facility [Member] | Bank of America [Member]          
Debt Instrument [Line Items]          
Back end fee       752  
Extinguishment charge       $ 726  
Revolving Credit Facility [Member] | Bank of America [Member] | Letter of Credit [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit     0.60%    
New Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate   1.00%      
Federal funds rate   0.50%      
Line of credit facility, Current     $ 44,705    
Fee for outstanding letters of credit   0.65%      
New Revolving Credit Facility [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit   0.10%      
Line of credit facility, net $ 2,000        
New Revolving Credit Facility [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Fee for outstanding letters of credit   0.20%      
Line of credit facility, net $ 3,500        
New Revolving Credit Facility [Member] | SOFR [Member]          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate   0.00% 4.41%    
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 and (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; provided, however, for a period of one year following the closing date, the applicable margin shall be set at 1.25% per annum in the case of any term SOFR loan and 0.25%      
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%