Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 03, 2015	Sep. 27, 2014
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 879	$ 1,188
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	50,554,000	49,962,000
Common stock, shares outstanding	33,500,000	33,653,000
Treasury stock, shares	17,054,000	16,309,000