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Derivative Instruments and Hedging Activities
 6 Months Ended
Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities
As of September 30, 2025, the Company had outstanding pay-fixed interest rate swaps with a total notional amount of $150.0 million, converting SOFR-based floating-rate debt to fixed-rate obligations. These swaps carry fixed interest rates ranging from 3.58% to 3.62% and were declared effective during the three months ended September 30, 2025. The Company also had forward foreign exchange contracts outstanding with maturities of less than 24 months, totaling £24.3 million in notional foreign currency amount (equivalent to US$33.0 million), used to hedge foreign currency exposures related to production costs and tax credit receivables. Some of these contracts are designated as cash flow hedges, while others serve as economic hedges without hedge accounting treatment.