Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Jun. 06, 2016	Aug. 20, 2015
Stockholders' Equity Note [Abstract]
Stock Repurchase Program, Authorized Amount					$ 150,000	$ 30,000
Stock Repurchased During Period, Shares	189,891	170,355	457,702	606,236
Repurchases of common stock	$ 9,950	$ 7,200	$ 23,856	$ 22,914
Average price of repurchased shares	$ 52.40	$ 42.13	$ 52.12	$ 37.80