v3.26.1
Income taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Feb. 13, 2023
Income Tax Contingency [Line Items]        
Goodwill deferred tax asset $ 289,986 $ 0    
Deferred tax assets tax losses and other carryforwards 27,300      
Deferred tax assets valuation allowance 1,253 1,052    
Undistributed earnings of foreign subsidiaries 124,300      
Deferred tax liability 8,900      
Income taxes, credit, net of transfer 130,100 63,800    
Percentage of tax benefits on tax receivable agreement       85.00%
Tax receivable agreement (TRA) liability 372,659 394,879    
Proceeds from (payments to) noncontrolling interests 3,000 6,100 $ 66,900  
Tax Receivable Agreement        
Income Tax Contingency [Line Items]        
Total liabilities relating to tax receivable agreement 393,200 419,400    
Tax receivable agreement (TRA) liability 372,700 394,900    
Tax Receivable Agreement | Other current liabilities        
Income Tax Contingency [Line Items]        
Tax receivable agreement (TRA) liability $ 20,500 $ 24,500