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Income Taxes (Narratives) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Operating Loss Carryforwards [Line Items] |  |  |  |
Change in valuation allowance for fiscal year | $ (14,400) | $ (20,900) |  |
Federal tax net operating loss carry-forwards | 33,200 |  |  |
State tax net operating loss carry-forwards | 127,300 |  |  |
Tax credit carry-forwards | 57,841 | 70,683 |  |
Amount of cumulative undistributed earnings to be reinvested indefinitely of non-U.S. subsidiaries | 37,100 |  |  |
Deferred tax liability related to withholding taxes of certain foreign subsidiaries | 747 | 676 |  |
Unrecorded deferred tax liability for potential withholding tax of unrecognized foreign earnings | $ 7,000 |  |  |
Excise tax on stock repurchases | 1.00% |  |  |
Unrecognized tax benefits | $ 18,297 | 18,367 | $ 19,064 | $ 23,897
Unrecognized tax benefits that would affect the effective tax rate if recognized | 200 |  |  |
Unrecognized tax benefit future impact if recognized | 18,100 |  |  |
Estimated interest and penalties related to underpayment of income taxes, less than | 100 | $ 100 | $ 100 |
AUSTRALIA |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating Loss Carryforwards | 5,900 |  |  |
BRAZIL |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating Loss Carryforwards | 14,800 |  |  |
Foreign | Subject to Expiration Beginning in FY 2024 |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carry-forwards | 4,300 |  |  |
State |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carry-forwards | 34,600 |  |  |
State | Subject to Expiration Beginning in FY 2024 |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carry-forwards | 900 |  |  |
State | Not Subject To Expiration |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carry-forwards | 33,700 |  |  |
Federal |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred tax assets operating loss carryforwards subject to expiration | 19,900 |  |  |
Deferred tax assets operating loss carryforwards not subject to expiration | 13,400 |  |  |
Tax credit carry-forwards | 30,500 |  |  |
Federal | Subject to Expiration Beginning in FY 2027 |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carry-forwards | $ 26,200 |  |  |

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