CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Oct. 01, 2016	Oct. 03, 2015
Consolidated Balance Sheets Parenthetical [Abstract]
Allowance for doubtful accounts and notes receivable	$ 506	$ 621
Preferred stock, without par value (usd per share)	$ 0	$ 0
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Common stock, no par value (usd per share)	$ 0	$ 0
Common stock, shares authorized	200,000	200,000
Common stock, shares issued	82,231	62,643
Common stock, shares outstanding	70,420	71,240
Treasury stock, shares	12,811	11,403