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Commitments and Contingencies (Rent Expense for Operating Leases) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Mar. 29, 2019
Mar. 30, 2018
Commitments and Contingencies Disclosure [Abstract]        
Rent expense $ 901 $ 906 $ 2,822 $ 2,804