Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 27, 2015	Sep. 27, 2014
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowances for doubtful accounts	$ 3,420	$ 2,609
Common stock, par value (in dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized (in shares)	64,000,000	64,000,000
Common stock, shares issued (in shares)	14,900,000	15,180,000
Common stock, shares outstanding (in shares)	14,900,000	15,180,000