Note 11 - Other Comprehensive Income - Summary of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Cash flow hedges, before tax	$ 418	$ 13,121
Cash flow hedges, tax	(101)	(3,169)
Cash flow hedges	317	9,952
Other comprehensive income (loss), before tax	418	13,121
Other comprehensive income (loss), tax	(101)	(3,169)
Other Comprehensive Income (Loss)	$ 317	$ 9,952

Amount before tax of other comprehensive income (loss) attributable to parent entity.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

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Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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