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Defined Contribution Plan - Schedule of Employer Matching Contribution Expense Related to 401(k) Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 25, 2017
Jun. 26, 2016
Jun. 28, 2015
Defined Contribution Pension And Other Postretirement Plans Disclosure [Abstract]      
Matching contribution expense $ 2,538 $ 2,331 $ 2,201