Fair Value Measurement and Derivative Transactions - Derivative Fair Values (Detail) - Diesel Fuel Option Collars And Swaps - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Receivables | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative Assets (Liabilities), at Fair Value, Net | $ 4,973 | $ 223 |
| Other assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative Assets (Liabilities), at Fair Value, Net | 229 | 2 |
| Other accrued liabilities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative Assets (Liabilities), at Fair Value, Net | (61) | (248) |
| Other liabilities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Derivative Assets (Liabilities), at Fair Value, Net | $ (59) | $ (25) |