CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Apr. 01, 2018	Jul. 02, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 374	$ 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	9,834,723	9,860,635
Common stock, shares outstanding	9,834,723	9,860,635