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Derivative Financial Instruments Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions | Sep. 29, 2019 | Sep. 30, 2018
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Three Point Eight Five Percentage Senior Notes [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Face value of Senior Notes | $ 750.0 | $ 750.0
Stated Interest Rate | 3.85% |
Two Point One Percentage Senior Notes [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Face value of Senior Notes | $ 500.0 | 500.0
Face amount from reopening of previous Senior Notes | $ 250.0 | 250.0
Stated Interest Rate | 2.10% |
Two Point Four Five Percentage Senior Notes [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Face value of Senior Notes | $ 500.0 | $ 500.0
Stated Interest Rate | 2.45% |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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