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Earnings Per Common Share - Weighted Average Shares Outstanding Used in Computing Basic and Diluted Earnings Per Share (Detail) - shares
3 Months Ended 9 Months Ended
Mar. 24, 2016
Mar. 26, 2015
Mar. 24, 2016
Mar. 26, 2015
Weighted Average Shares Outstanding [Abstract]        
Weighted average number of shares outstanding - basic 11,255,894 11,183,505 11,223,268 11,137,260
Effect of dilutive securities:        
Stock options and restricted stock units 88,731 91,277 99,195 94,178
Weighted average number of shares outstanding - diluted 11,344,625 11,274,782 11,322,463 11,231,438