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Borrowings and Credit Arrangements - Interest Expense Credit Agreement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 27, 2021 | Mar. 28, 2020 | Mar. 27, 2021 | Mar. 28, 2020
Line of Credit Facility [Line Items] |  |  |  |
Interest expense | $ 13.1 | $ 15.7 | $ 28.2 | $ 31.4
Credit Agreement |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest expense | $ 5.3 | $ 13.0 | $ 11.8 | $ 26.6
Weighted average interest rate | 1.12% | 2.75% | 1.17% | 2.93%
Interest rate at end of period | 1.11% | 2.33% | 1.11% | 2.33%

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- Definition Aggregate amount of interest expense on all borrowings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.7,8) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition The effective interest rate at the end of the reporting period. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The effective interest rate during the reporting period. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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