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Note 11 - Income Taxes - Reconciliation of Effective Tax Rate (Details)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Provision at statutory tax rate	21.00%	21.00%	21.00%
State taxes	1.70%	(1.40%)	1.40%
Impact of foreign operations	(2.60%)	5.30%	4.00%
Federal tax credits	(8.70%)	(2.70%)	(1.00%)
Cash repatriation	1.00%	1.10%	4.60%
SubF/GILTI	6.90%	0.00%	0.00%
Uncertain Tax Positions	(0.10%)	1.30%	1.50%
Benefit from U.S. tax loss carryback to prior years	0.00%	0.00%	(1.80%)
Return to provision	(1.30%)	(1.60%)	(3.20%)
Valuation allowance release	(3.10%)	0.00%	(2.30%)
Other	0.10%	1.30%	0.80%
Effective income tax provision	15.10%	24.40%	26.90%
Enginetics [Member]
Tax expense on Enginetics disposal	0.00%	0.00%	2.00%
Tax expense on Procon Pumps disposal	(0.00%)	(0.00%)	(2.00%)
Procon Pumps Business [Member]
Tax expense on Enginetics disposal	(0.20%)	(0.00%)	(0.00%)
Tax expense on Procon Pumps disposal	0.20%	0.00%	0.00%

X

- 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 return to provision.

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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 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 other adjustments.

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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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