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Summary Of Significant Accounting Policies New Accounting Standards (Details) - USD ($)
$ in Thousands
Jul. 01, 2017
Jun. 30, 2017
Jun. 30, 2016
New Accounting Standards [Abstract]      
Deferred Tax Assets, Net of Valuation Allowance, Current   $ 0 $ 26,713
Deferred Tax Liabilities, Net, Current     600
Debt Issuance Costs, Net   $ 4,663 $ 6,010
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets $ 1,400