Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 27, 2015	Jun. 28, 2015
Statement Of Financial Position [Abstract]
Common stock, shares authorized	12,000,000	12,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	7,188,363	7,151,154
Treasury stock, shares	3,623,724	3,624,454