Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Earnings Per Common Share [Abstract]
Net income	$ 11,547	$ 9,609	$ 36,391	$ 36,305
Weighted average common shares outstanding	15,733,000	16,048,000	15,708,000	15,878,000
Dilutive potential common shares	212,000	149,000	198,000	167,000
Total diluted weighted average shares outstanding	15,945,000	16,197,000	15,906,000	16,045,000
Earnings Per Share, Basic	$ 0.73	$ 0.60	$ 2.32	$ 2.29
Earnings Per Share, Diluted	$ 0.72	$ 0.59	$ 2.29	$ 2.26
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	100,000	300,000	100,000	400,000