Income Taxes (Reconciliation of U.S. Federal Income Tax Expense) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Contingency [Line Items]
U.S. statutory rate		21.00%	21.00%	21.00%
U.S. Federal income tax at statutory rate		$ 12,082	$ (15,073)	$ 17,564
State and local income taxes, net of Federal benefit		996	1,316	2,864
Tax credits		(170)	(1,419)	(1,324)
Valuation allowance		3,472	1,699	57
Effect of varying statutory rates in foreign operations, net		1,051	1,374	1,938
Stock compensation		1,094	41	35
Capitalized acquisition costs		0	59	69
Disallowed interest		86	1,639	1,600
Earnings from foreign subsidiaries		124	1,661	50
Net favorable recovery		0	(6,517)	(3,112)
Losses on dispositions		(2,897)	0	0
Global intangible low taxed income (GILTI) tax		(45)	(128)	365
Non-deductible goodwill impairment		0	20,180	0
Nontaxable income	$ 2,100	(1,628)	0	(822)
Notional interest deduction on net equity		(568)	0	0
Other		(1,451)	2,619	341
Provision for income taxes		12,146	7,451	18,778
Internal Revenue Service (IRS)
Income Tax Contingency [Line Items]
U.S. Tax Reform transition tax		0	0	(827)
Other Jurisdiction
Income Tax Contingency [Line Items]
Impact of rate change on deferred taxes		$ 0	$ 0	$ (20)

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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