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Share-Based Employee Compensation (Summary of Stock Equivalent Activity) (Details) | 12 Months Ended |
--- | --- | ---
Sep. 29, 2019 $ / shares shares | Sep. 30, 2018 $ / shares shares | Oct. 01, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance | 0 | 0 | 0
Deferred Compensation for Non Management Directors |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |  |  |
Stock awards outstanding, Beginning balance, Shares | 94,390 |  |
Deferred directors’ compensation, Shares | 3,277 |  |
Stock awards outstanding, Ending balance, Shares | 100,005 | 94,390 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |  |  |
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Beginning balance (in usd per share) | $ / shares | $ 36.35 |  |
Deferred directors' compensation, Weighted-Average Grant Date Fair Value (in usd per share) | $ / shares | 79.95 |  |
Stock awards outstanding, Weighted-Average Grant Date Fair Value, Ending balance (in usd per share) | $ / shares | $ 38.87 | $ 36.35 |
Deferred Compensation for Non Management Directors |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |  |  |
Dividend equivalents, Shares | 2,338 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |  |  |
Dividend equivalents, Weighted- Average Grant Date Fair Value (in usd per share) | $ / shares | 82.87 |  |

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References 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 (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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