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Income Taxes - Narrative (Details) | 12 Months Ended
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Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Operating Loss Carryforwards [Line Items] |  |  |
CARES Act, Period of Preceding Taxable Years for Net Operating Loss Carryback | 5 |  |
Combined effects of tax reform |  | $ (9,280,000) | $ 86,044,000
Tax Cuts and Jobs Act, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense |  | (15,000,000.0) | 80,900,000
Unrecognized Tax Benefits, Period Increase (Decrease) |  | 5,300,000 |
Income Tax (Textual) [Abstract] |  |  |
Valuation Allowance Adjustment | $ 755,000 | (1,473,000) | (90,817,000)
Change In Permanent Reinvestment Assertion | 0 | 6,093,000 | 0
Tax Benefits associated with Net Operating Loss Carryforwards in Federal, State and Foreign Jurisdictions | 31,891,000 | 28,886,000 |
Tax Benefits that Do Not Expire | 17,400,000 |  |
Valuation Allowance | (16,654,000) | (14,614,000) |
Change in Valuation Allowance, Current Year | 2,000,000.0 |  |
Deferred Tax Assets, Tax Credit Carryforwards | 21,048,000 | 4,733,000 |
Unremitted Earnings of Non-U.S. Subsidiaries and Affiliates | 1,400,000,000 |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 8,700,000 | 9,000,000.0 | 5,800,000
Increase (reduction) in Interest | 1,000,000.0 | (400,000) | 700,000
Interest Accrued | 1,200,000 | 700,000 |
Penalties Accrued | 500,000 | 100,000 |
Provisional tax expense for revaluation of U.S. net deferred taxes |  |  | 5,100,000
Deferred Tax Liabilities, Undistributed Foreign Earnings | 5,900,000 |  |
CARES Act, Percent of Taxable Income Permitted to be Offset by Net Operating Loss Carryovers and Carrybacks | 1 |  |
Allowable business interest deduction, percent, before CARES Act | 0.30 |  |
Allowable business interest deduction, percent, after CARES Act | 0.50 |  |
Effective income tax rate reconciliation, Combined effects of U.S. CARES Act, Amount | (6,913,000) |  |
Discrete Benefit for Swiss Tax Reform | (14,500,000) |  |
Expiring Year Fifteen Through Twenty [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 3,700,000 |  |
Expiring Year Ten Through Fifteen [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 1,400,000 |  |
Expiring Year Five Through Ten [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 3,800,000 |  |
Expiring Through Year Five [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration | 5,600,000 |  |
Expiring Year Fifteen Through Twenty [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | 16,000,000.0 |  |
Expiring Year Ten Through Fifteen [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | 2,900,000 |  |
Expiring Year Five Through Ten [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | $ 2,100,000 |  |
Release of Australian valuation allowance [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Valuation Allowance Adjustment |  | $ 1,100,000 |
Release of U.S. valuation allowance [Member] |  |  |
Income Tax (Textual) [Abstract] |  |  |
Valuation Allowance Adjustment |  |  | $ 91,300,000

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