Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 26, 2015	Jun. 27, 2015
Balance Sheets [Abstract]
Allowances for accounts receivable	$ 1,631	$ 1,830
Accumulated amortization on intangible assets	$ 15,804	$ 15,588
Common stock and paid in capital, no par value (in dollars per share)
Common stock and paid in capital, shares authorized	60,000,000	60,000,000
Common stock and paid in capital, shares issued	21,891,000	22,177,000
Common stock and paid in capital, shares outstanding	21,891,000	22,177,000