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Stock-Based Compensation (Stock Options & Restricted Stock) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016	Sep. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Weighted average per share fair value of stock options granted (in dollar per share)	$ 11.10	$ 8.91	$ 11.71
Weighted average remaining contractual term of options outstanding, in years	4 years 7 months 4 days
Aggregate intrinsic value of options outstanding	$ 2,426
Weighted average remaining contractual term of options eligible for exercise, in years	3 years 3 months 17 days
Aggregate intrinsic value of options eligible for exercise	$ 589
Total intrinsic value of stock options exercised	$ 121	$ 1,467	$ 1,082
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	5 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	7 years
Director [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years
Key Employees [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years