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Financial Instruments - Notional Amount, Estimated Aggregate Fair Value and Related Balance Sheet Classification of Interest Rate Swap Contracts (Details) - Interest rate swap contracts - Designated as hedging instrument - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
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Mar. 30, 2019 | Dec. 31, 2018
Fair value of interest rate swap contracts designated as cash flow hedges: |  |
Other current liabilities | $ 29.4 | $ 14.7
Notional amount | $ 500.0 | $ 500.0
Maximum |  |
Fair value of interest rate swap contracts designated as cash flow hedges: |  |
Outstanding maturities in months, not to exceed | 9 months | 3 months

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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- Details
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- Details
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