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Commitments and Contingencies and Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 01, 2021 | Oct. 02, 2020
Letter of Credit | $1.6 Billion Revolving Credit Facility |  |
Loss Contingencies [Line Items] |  |
Line of credit facility, amount outstanding | $ 1.7 |
Letter of Credit | Committed And Uncommitted Letter Of Credit Facility |  |
Loss Contingencies [Line Items] |  |
Line of credit facility, amount outstanding | 262.1 |
Line of Credit |  |
Loss Contingencies [Line Items] |  |
Letters of credit outstanding | 263.8 |
Surety Bond |  |
Loss Contingencies [Line Items] |  |
Letters of credit outstanding | 2,100.0 |
Interest Rate Swap |  |
Loss Contingencies [Line Items] |  |
Derivative, notional amount | $ 796.1 |
Interest Rate Swap | Minimum |  |
Loss Contingencies [Line Items] |  |
Derivative, fixed interest rate | 0.704% |
Interest Rate Swap | Maximum |  |
Loss Contingencies [Line Items] |  |
Derivative, fixed interest rate | 1.116% |
Cross Currency Interest Rate Contract |  |
Loss Contingencies [Line Items] |  |
Derivative, notional amount | $ 127.8 |
Cross Currency Interest Rate Contract | LIBOR |  |
Loss Contingencies [Line Items] |  |
Derivative, basis spread on variable rate | 87.50% |
Cross Currency Interest Rate Contract | Minimum |  |
Loss Contingencies [Line Items] |  |
Term of contract | 3 years 6 months |
Derivative, fixed interest rate | 0.726% |
Cross Currency Interest Rate Contract | Maximum |  |
Loss Contingencies [Line Items] |  |
Term of contract | 10 years |
Derivative, fixed interest rate | 0.746% |
Cross Currency Interest Rate Contract and Interest Rate Swamp |  |
Loss Contingencies [Line Items] |  |
Derivative asset | $ (0.8) | $ (31.5)
Interest Rate Swap and Cross Currency Interest Rate Contract |  |
Loss Contingencies [Line Items] |  |
Unrealized gain (loss) on derivatives | (7.4) | (14.6)
Interest Rate Swap and Cross Currency Interest Rate Contract | Deferred Long-term Liability Charges |  |
Loss Contingencies [Line Items] |  |
Derivative asset | (11.0) |
Interest Rate Swap and Cross Currency Interest Rate Contract | Total Other Non-current Assets |  |
Loss Contingencies [Line Items] |  |
Derivative asset | 10.2 |
Foreign Exchange Forward |  |
Loss Contingencies [Line Items] |  |
Derivative, notional amount | 506.5 | 393.7
Derivative asset | $ 55.5 | $ 53.5
Foreign Exchange Forward | Minimum |  |
Loss Contingencies [Line Items] |  |
Term of contract | 1 month |
Foreign Exchange Forward | Maximum |  |
Loss Contingencies [Line Items] |  |
Term of contract | 12 months |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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