Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014	Jun. 06, 2016	Aug. 20, 2015	Aug. 13, 2014
Stockholders' Equity Note [Abstract]
Stock Repurchase Program, Authorized Amount				$ 150,000	$ 30,000	$ 30,000
Payments for Repurchase of Common Stock	$ 30,000	$ 30,000	$ 30,000
Common stock repurchased				$ 150,000	$ 30,000	$ 30,000
Stock Repurchased During Period, Shares	760,903	745,227
Common stock repurchased, average price	$ 39.43	$ 40.26
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%