Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Accounting Policies [Abstract]
Net income	$ 25,084	$ 27,494	$ 45,462
Weighted average common shares outstanding (in shares)	19,040	16,027	14,984
Effect of dilutive securities
Stock-based compensation (in shares)	97	105	158
Tangible equity units (in shares)	0	47	0
Weighted average dilutive common shares outstanding (in shares)	19,137	16,179	15,142
Earnings per share
Basic (in dollars per share)	$ 1.32	$ 1.72	$ 3.03
Diluted (in dollars per share)	$ 1.31	$ 1.70	$ 3.00