Stock-Based Compensation (Stock-Based Compensation Expense By Type Of Award) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Employee stock options	$ 2,436	$ 2,683	$ 2,769
Employee stock purchase plan (ESPP)	519	239	212
Restricted stock and restricted stock units	4,203	4,536	3,073
Amounts capitalized as inventory	(2,354)	(1,985)	(1,608)
Amounts recognized in income for amounts previously capitalized as inventory	2,420	1,878	1,315
Total stock-based compensation included in income from operations	7,224	7,351	5,761
Income tax benefit on stock-based compensation	(2,421)	(2,564)	(1,999)
Net compensation expense included in net income	$ 4,803	$ 4,787	$ 3,762