Equity-Based Compensation (Schedule of Compensation Cost By Award Type) (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	$ 7,461	$ 5,661	$ 6,464
Income tax benefit	893	677	1,024
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	2,633	2,117	1,342
Stock appreciation rights
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	2,345	2,643	2,594
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	1,151	221	2,048
Time vested restricted stock units (TVA)
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	602	0	0
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award
Total compensation cost before income taxes	$ 730	$ 680	$ 480

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Amount of cost expensed and capitalized for award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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