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Financing Debt (Details) - USD ($) $ in Thousands			9 Months Ended
Financing Debt (Details) - USD ($) $ in Thousands	Jul. 06, 2017	Jun. 28, 2017	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term loans			$ 110,000		$ 55,000
Less unamortized debt issuance costs					(671)
Term loans			108,393		53,403
Less current maturities			0		0
Long-term debt less current maturities			108,393		53,403
Proceeds from long-term borrowings			105,000	$ 0
New Accounting Principles, Early Adoption \| June 2017 Term Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Less unamortized debt issuance costs			$ (1,607)		$ (1,597)
Credit Agreement [Member] \| June 2017 Term Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term loans		$ 55,000
Proceeds from long-term borrowings		$ 55,000
Credit Agreement [Member] \| July 2017 Term Loan [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term loans	$ 105,000
Proceeds from long-term borrowings	$ 105,000