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Note 11 - Income Taxes - Reconciliation of Effective Tax Rate (Details)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Provision at statutory tax rate	21.00%	21.00%	21.00%
State taxes	0.40%	1.70%	(1.40%)
Impact of foreign operations	3.30%	(2.60%)	5.30%
Federal tax credits	(3.00%)	(8.70%)	(2.70%)
Cash repatriation	0.20%	1.00%	1.10%
SubF/GILTI	0.00%	6.90%	0.00%
Uncertain Tax Positions	0.40%	(0.10%)	1.30%
Officers compensation	4.00%	0.40%	0.80%
Share-based compensation	(4.00%)	(0.20%)	(0.10%)
Return to provision	0.60%	(1.30%)	(1.60%)
Valuation allowance release	0.60%	(3.10%)	0.00%
Other	(0.80%)	(0.10%)	0.70%
Effective income tax provision	22.60%	15.10%	24.40%
Procon Pumps Business [Member]
Tax expense on Procon Pumps disposal	0.00%	0.20%	0.00%

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- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to officer compensation.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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