Income Taxes (Reconciliation of U.S. Federal Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Tax Contingency [Line Items]
U.S. statutory rate		21.00%	21.00%	28.00%
U.S. Federal income tax at statutory rate		$ (15,073)	$ 17,564	$ 17,690
State and local income taxes, net of Federal benefit		1,316	2,864	1,968
Tax credits	$ (3,700)	(1,419)	(1,324)	(1,825)
Valuation allowance		1,699	57	1,304
Effect of varying statutory rates in foreign operations, net		1,374	1,938	320
Stock compensation		41	35	1,049
Capitalized acquisition costs		59	69	48
Disallowed interest		1,639	1,600	1,664
Earnings from foreign subsidiaries		1,661	50	120
Net favorable recovery		(6,517)	(3,112)	0
Global intangible low taxed income (GILTI) tax		(128)	365	0
Non-deductible goodwill impairment		20,180	0	0
Nontaxable income		0	(822)	0
Other		2,619	341	(1,653)
Provision for income taxes		7,451	18,778	27,593
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
U.S. Tax Reform transition tax		0	(827)	9,609
Impact of rate change on deferred taxes		0	0	(2,701)
Other Jurisdiction [Member]
Income Tax Contingency [Line Items]
Impact of rate change on deferred taxes		$ 0	$ (20)	$ 0

Effective Income Tax Rate Reconciliation, Capitalized Acquisition Cost, Amount

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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