Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Earnings Per Common Share [Abstract]
Net income	$ 10,783	$ 14,144	$ 36,275	$ 31,068
Weighted average common shares outstanding	14,905	15,117	15,000	15,238
Dilutive potential common shares	165	177	165	184
Total diluted weighted average shares outstanding	15,070	15,294	15,165	15,422
Earnings per share, Basic	$ 0.72	$ 0.94	$ 2.42	$ 2.04
Earnings per share, Diluted	$ 0.72	$ 0.92	$ 2.39	$ 2.01
Antidilutive securities excluded from computation of earnings per share, Amount	200	300	100	300