Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jul. 01, 2014
Debt Instrument [Line Items]
Letters of Credit, amount outstanding	$ 2,698	$ 1,841
Minimum [Member]
Debt Instrument [Line Items]
Fees on credit facility	0.09%
Maximum [Member]
Debt Instrument [Line Items]
Fees on credit facility	0.175%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility unsecured borrowings amount	$ 250,000
Line of Credit Facility, Amount Outstanding	33,000	52,000
Letters of Credit, amount outstanding	2,707	3,764
Line of Credit Facility, Remaining Borrowing Capacity	$ 214,293	$ 94,236
Debt, Weighted Average Interest Rate	1.44%	1.15%
Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 125,000
Long-term Debt	$ 123,438	$ 96,875
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	1.50%	1.19%
State of Ohio Assumed Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 2,359
Long-term Debt	$ 1,896	$ 2,120
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	1.50%
Prudential Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 170,000
Long-term Debt			$ 120,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate			3.19%
Debt Instrument, Unused Borrowing Capacity, Amount	50,000
Prudential Facility - Series C [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 120,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	3.19%
Prudential Facility - Series D [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 50,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	3.21%