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Derivative Financial Instruments and Hedging Activities (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) Contract | Dec. 31, 2016 USD ($) Contract | Dec. 31, 2015 USD ($) | Jul. 03, 2016 USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |
(Gains) losses in other non-operating income (deductions) | $ 4.5 | $ (3.8) | $ 2.3 |
Foreign Exchange Forward [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Number of contracts | Contract | 0 | 2 |  |
(Gains) losses in other non-operating income (deductions) | $ (1.2) | $ 0.6 |  |
Cash Flow Hedges [Member] | Foreign Exchange Forward [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Number of contracts | Contract | 2 |  |  |
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Other Non-current Assets [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Fair value of derivative assets | $ 2.9 |  |  |
Cash Flow Hedges [Member] | Designated [Member] | Interest Rate Swaps [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional amount | $ 200.0 |  |  | $ 300.0

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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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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959 + 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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- Definition Fair value of all derivative assets designated as fair value hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959 + Details
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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