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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Income Tax Disclosure [Abstract] |  |  |
Provision at Federal statutory rate | 28.10% | 35.00% | 35.00%
State and local income taxes, net of federal benefit | (16.00%) | 1.00% | 1.50%
Foreign tax rate differential | (48.40%) | (7.30%) | (0.60%)
Nondeductible/nontaxable items | (10.20%) | 0.20% | 1.00%
Goodwill impairment | (124.70%) | (0.00%) | (0.00%)
Tax Act | 410.90% | (0.00%) | (0.00%)
Capital loss | 71.40% | (0.00%) | (0.00%)
Change in valuation allowances | (76.90%) | 7.70% | 0.10%
Foreign tax credits | 27.30% | (1.60%) | (0.10%)
China tax related to divestiture | (25.80%) | (0.00%) | (0.00%)
Other | (21.90%) | (2.30%) | 0.20%
Effective income tax rate | 213.80% | 32.70% | 37.10%

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