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Note H - Derivative Financial Instruments - Gain (Loss) Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Pre-tax gain (loss) recognized in OCI |  |  |  | $ 0
Revenue | $ 106,759 | $ 130,748 | $ 221,310 | 268,046
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |
Revenue |  |  |  | (418)
Hot-rolled Coil Future Contracts [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |
Revenue |  |  |  | (418)
Hot-rolled Coil Future Contracts [Member] | Designated as Hedging Instrument [Member] |  |  |  |
Pre-tax gain (loss) recognized in OCI |  |  |  | $ 0

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