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Income Taxes 2 (Details)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Reconciliations of federal statutory income tax rate and Company's effective income tax rate:      
Statutory income tax rate 35.00% 35.00% 35.00%
State and local taxes 2.80% 5.20% 2.50%
Worthless stock deduction (13.90%) (0.00%) (0.00%)
Stock compensation (1.40%) (0.00%) (0.00%)
Goodwill impairment 0.00% 27.10% 0.00%
Foreign income taxes (2.30%) (3.00%) (2.50%)
Deductible dividend (0.40%) (0.90%) (0.50%)
Valuation allowance 0.30% 0.50% 0.50%
Other, net (0.30%) (1.30%) (0.70%)
Effective income tax rate 19.80% 62.60% 34.30%