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Borrowings - Term Loan Facility (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 28, 2018 | Sep. 29, 2017
Eurocurrency Interest Rate | Revolving Credit Facility | Minimum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 1.00% |
Eurocurrency Interest Rate | Revolving Credit Facility | Maximum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 1.50% |
Eurocurrency Interest Rate | Term Loan Facility | Minimum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 1.00% |
Eurocurrency Interest Rate | Term Loan Facility | Maximum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 1.50% |
Base Interest Rate | Revolving Credit Facility | Minimum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 0.00% |
Base Interest Rate | Revolving Credit Facility | Maximum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 50.00% |
Base Interest Rate | Term Loan Facility | Minimum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 0.00% |
Base Interest Rate | Term Loan Facility | Maximum |  |
Line of Credit Facility [Line Items] |  |
Margin added to variable rate interest rate | 0.50% |
LIBOR | Revolving Credit Facility | Revolving Credit Facility | Minimum | Line of Credit |  |
Line of Credit Facility [Line Items] |  |
Stated interest rate | 1.38% | 1.00%
LIBOR | Revolving Credit Facility | Revolving Credit Facility | Maximum | Line of Credit |  |
Line of Credit Facility [Line Items] |  |
Stated interest rate | 3.47% | 2.23%
LIBOR | Term Loan Facility |  |
Line of Credit Facility [Line Items] |  |
Stated interest rate | 3.71% |
Short-term credit agreements |  |
Line of Credit Facility [Line Items] |  |
Short-term debt | $ 5.0 | $ 3.1
Weighted average interest rate | 4.47% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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