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Note 12 - Segment Information - Schedule of Revenue by Geographic Area (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Net sales | [1] | $ 1,578,887 | $ 1,458,603 | $ 1,509,352
Percentage of revenue |  | 100.00% | 100.00% | 100.00%
UNITED STATES |  |  |  |
Net sales |  | $ 1,492,266 | $ 1,374,774 | $ 1,408,710
Percentage of revenue |  | 94.50% | 94.30% | 93.30%
Non-US [Member] |  |  |  |
Net sales |  | $ 86,621 | $ 83,829 | $ 100,642
Percentage of revenue |  | 5.50% | 5.70% | 6.70%
[1] | Information received by the CODM as part of net sales includes trade promotion costs representing amounts paid to retailers for shelf space, to obtain favorable display positions, and to offer temporary price reductions for the sale of the Company's products to consumers.

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