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