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Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Earnings Per Share [Abstract]    
Net income $ 1,812 $ 8,960
Basic weighted average shares 18,368 18,243
Net potential common share equivalents – stock options and restricted stock units 335 328
Diluted weighted average shares 18,703 18,571
Excluded from diluted weighted average shares:    
Anti-dilutive common share equivalents 116 264