Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Earnings Per Share [Abstract]
Net income	$ 19,093	$ 26,099	$ 16,787	$ 14,448	$ 23,865	$ 23,794	$ 23,594	$ 23,079	$ 76,427	$ 94,332	$ 87,213
Basic weighted average common shares outstanding									33,374	33,618	33,785
Dilutive effect of share-based awards outstanding									724	761	870
Diluted weighted average shares outstanding									34,098	34,379	34,655
Earnings Per Share, Basic	$ 0.57	$ 0.78	$ 0.50	$ 0.43	$ 0.71	$ 0.71	$ 0.70	$ 0.69	$ 2.29	$ 2.81	$ 2.58
Earnings Per Share, Diluted	$ 0.56	$ 0.76	$ 0.50	$ 0.42	$ 0.70	$ 0.69	$ 0.69	$ 0.67	$ 2.24	$ 2.74	$ 2.52
Antidilutive securities excluded from computation of diluted earnings per share									800	700	500