Income Taxes - Narrative (Details)	12 Months Ended
	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