v3.25.4
Segment Information - Summarized Financial Information for Joint Venture Unconsolidated (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Mar. 31, 2025
Related Party Transaction [Line Items]          
Revenue $ 555,956 $ 558,025 $ 1,829,552 $ 1,790,333  
Gross Margin 160,906 177,813 546,217 568,525  
Earnings Before Income Taxes 129,248 154,302 463,580 510,487  
Current Assets 1,032,115   1,032,115   $ 668,657
Current Liabilities 241,503   241,503   245,004
Joint Venture [Member]          
Related Party Transaction [Line Items]          
Revenue 29,366 26,426 86,961 84,561  
Joint Venture [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]          
Related Party Transaction [Line Items]          
Revenue 58,731 52,852 173,921 169,122  
Gross Margin 11,882 12,483 38,192 49,277  
Earnings Before Income Taxes 8,864 $ 10,058 29,631 $ 44,312  
Current Assets 136,018   136,018   128,384
Noncurrent Assets 219,238   219,238   207,910
Current Liabilities 38,691   38,691   25,618
Noncurrent Liabilities $ 6,445   $ 6,445   $ 30,152