Note 16 - Acquisition - Pro Forma Information (Details) - Green Giant [Member] - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Pro forma net sales	$ 1,865,074	$ 1,823,457
Pro forma net earnings	$ 104,778	$ 31,762

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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