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v3.23.2

Note 1 - Summary of Accounting Policies (Details Textual) shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2023 USD ($) shares | Jun. 30, 2022 USD ($) shares | Jun. 30, 2021 USD ($) shares | Dec. 31, 2022 USD ($)
Payment for Contingent Consideration Liability, Financing Activities |  |  |  |  | $ 1,167 | $ 2,167 | $ 356 |
Business Combination, Contingent Consideration, Liability, Total | [1] |  |  |  |  |  |  | $ 1,167
Equity Securities without Readily Determinable Fair Value, Amount |  |  |  |  | 2,000 |  |  |
Payments to Acquire Debt Securities, Available-for-Sale |  |  |  |  | 2,700 |  |  |
Income Tax Expense (Benefit) |  |  |  |  | $ 24,796 | $ 19,807 | $ 14,157 |
Effective Income Tax Rate Reconciliation, Percent |  |  |  |  | 15.10% | 24.40% | 26.90% |
Effective Income Tax Rate Reconciliation, Mix of Income in Various Jurisdictions |  |  |  |  | $ (4,300) | $ 4,300 | $ 5,100 |
Effective Income Tax Rate Reconciliation, Tax Credit, Amount |  |  |  |  | 14,300 |  |  |
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount |  |  |  |  | 11,600 |  |  |
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount |  |  |  |  | 2,700 | 2,200 | 800 |
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount |  |  |  |  | 11,300 |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount |  |  |  |  | $ 5,000 |  |  |
Effective Income Tax Rate Reconciliation, Return-to-accrual Adjustments to True-up Up Prior-period Provision Amounts |  |  |  |  |  | 1,300 |  |
Effective Income Tax Rate Reconciliation, Release of Uncertain Tax Provision Reserves |  |  |  |  |  | $ 1,000 | 1,700 |
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount |  |  |  |  |  |  | $ 1,200 |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares |  |  |  |  | 0 | 0 | 0 |
Tax Years 2019 and 2020 [Member] |  |  |  |  |  |  |  |
Income Tax Expense (Benefit), CARES Act |  |  |  |  |  |  | $ (1,000) |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |
Advertising Expense |  |  |  |  | $ 2,700 | $ 2,300 | 1,700 |
Research and Development Expense |  |  |  |  | $ 17,200 | 12,200 | $ 9,600 |
Revenue Benchmark [Member] |  |  |  |  |  |  |  |
Concentration Risk, Threshold Percentage |  |  |  |  | 5.00% |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] |  |  |  |  |  |  |  |
Number of Major Customers |  |  |  |  | 0 |  |  |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total | [1] |  |  |  |  |  |  | $ 0
Fair Value, Inputs, Level 3 [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  | $ 100 |  |  |
GS Engineering [Member] |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | 12,800 |  |  |
Renco Electronics [Member] |  |  |  |  |  |  |  |
Payment for Contingent Consideration Liability, Financing Activities |  | $ 1,200 | $ 1,000 | $ 1,200 |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  | 3,400 |  |  | 3,400 |  |
Other Noncurrent Assets [Member] |  |  |  |  |  |  |  |
Debt Securities, Trading |  |  | $ 3,000 |  | $ 3,700 | $ 3,000 |  |
[1] | The fair value of our contingent consideration arrangement is determined based on our evaluation as to the probability and amount of any deferred compensation that has been earned to date.

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