Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Aug. 20, 2015	Aug. 13, 2014	Aug. 19, 2013
Stockholders' Equity Note [Abstract]
Stock Repurchase Program, Authorized Amount				$ 30,000	$ 30,000	$ 30,000
Payments for Repurchase of Common Stock	$ 30,000	$ 30,000	$ 49,858
Common stock repurchased				$ 30,000	$ 30,000	$ 30,000
Stock Repurchased During Period, Shares	745,227	733,447
Common stock repurchased, average price	$ 40.26	$ 40.90
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock purchase rights under Rights Agreement	125.00
Minimum percentage of common stock required for Rights exercisable	20.00%