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Financing Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Jun. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Term loan $ 55,883 $ 72,000
Term loan 55,152 71,086
Less current maturities 0 (8,000)
Long-term debt less current maturities 55,152 63,086
New Accounting Principles, Early Adoption | April 2015 Term Loan    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Less unamortized debt issuance costs $ (731) $ (914)