Earnings Per Share (Schedule Of Reconciliation Of Amounts Utilized In Computation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Earnings Per Share [Line Items]
Net income	$ 18,516	$ 17,975	$ 36,179	$ 34,591
Basic weighted average common shares outstanding	33,868,000	34,286,000	33,799,000	34,253,000
Dilutive effect of share-based awards outstanding	835,000	408,000	899,000	420,000
Diluted weighted average shares outstanding	34,703,000	34,694,000	34,698,000	34,673,000
Earnings per share, Basic	$ 0.55	$ 0.52	$ 1.07	$ 1.01
Earnings per share, Diluted	$ 0.53	$ 0.52	$ 1.04	$ 1.00
Stock Options [Member]
Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted earnings per share	500,000	2,300,000	600,000	2,300,000