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Long-term Debt Long-term Debt (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 24, 2018
Jun. 25, 2017
Long-term Debt, Unclassified [Abstract]    
Line of Credit Facility, Maximum Borrowing Capacity $ 500,000  
Debt Instrument, Maturity Date Jan. 09, 2022  
Long-term Line of Credit, Noncurrent $ 292,000 $ 145,000
Line of Credit Facility, Remaining Borrowing Capacity $ 167,400  
Long-term Debt, Average Interest Rate 2.47% 1.56%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.11% 0.11%