Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Earnings Per Common Share [Abstract]
Net income	$ 9,609	$ 10,953	$ 36,305	$ 36,050
Weighted average common shares outstanding	16,048,000	15,570,000	15,878,000	15,435,000
Dilutive potential common shares	149,000	219,000	167,000	283,000
Total diluted weighted average shares outstanding	16,197,000	15,789,000	16,045,000	15,718,000
Earnings Per Share, Basic	$ 0.60	$ 0.70	$ 2.29	$ 2.34
Earnings Per Share, Diluted	$ 0.59	$ 0.69	$ 2.26	$ 2.29
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	300,000	200,000	400,000	300,000