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Financial Instruments - Schedule of Net Foreign Exchange Positions (Details) - Foreign currency exchange contracts - USD ($) $ in Millions | Sep. 28, 2018 | Dec. 31, 2017
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | $ 84.8 | $ (15.9)
Notional Amount | 102.6 | 130.5
Other Currencies - Buy |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 31.6 | 18.0
Notional Amount | 31.6 | 18.0
Other Currencies - Sell |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | (8.9) | (10.3)
Notional Amount | 8.9 | 10.3
Euro |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 0.0 | (22.9)
Notional Amount | 0.0 | 22.9
Japanese Yen |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 0.0 | (40.0)
Notional Amount | 0.0 | 40.0
Philippine Peso |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 32.5 | 26.4
Notional Amount | 32.5 | 26.4
Chinese Yuan |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 18.8 | 5.3
Notional Amount | 18.8 | 5.3
Czech Koruna |  |
Derivatives, Fair Value [Line Items] |  |
Buy (Sell) | 10.8 | 7.6
Notional Amount | $ 10.8 | $ 7.6

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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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