CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jan. 01, 2017	Jul. 03, 2016
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 289	$ 407
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	0	0
Common stock, par value (usd per share)	$ 1.25	$ 1.25
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	9,835,635	9,845,469
Common stock, shares outstanding	9,835,635	9,845,469