Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Apr. 01, 2018	[1]	Jul. 02, 2017
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	7,251,937		7,216,103
Treasury stock, shares	3,617,471		3,619,487

[1] Unaudited