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Derivatives (Outstanding Contracts Not Designated as Cash Flow Hedges) (Details) - Not Designated as Hedging Instrument [Member] € in Millions, ₨ in Millions, lb in Millions, MXN in Millions, CAD in Millions, $ in Millions | Sep. 30, 2017 EUR (€) lb | Sep. 30, 2017 USD ($) lb | Sep. 30, 2017 CAD lb | Sep. 30, 2017 MXN lb | Sep. 30, 2017 INR (₨) lb | Dec. 31, 2016 EUR (€) lb | Dec. 31, 2016 USD ($) lb | Dec. 31, 2016 CAD lb | Dec. 31, 2016 MXN lb | Dec. 31, 2016 INR (₨) lb | Sep. 30, 2016 CAD
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Copper Commodity Contract [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, nonmonetary notional amount (in lbs) | lb | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
Aluminum Commodity Contract [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, nonmonetary notional amount (in lbs) | lb | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
Foreign Exchange Forward [Member] | Chinese Yuan [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ |  | $ 52.3 |  |  |  |  | $ 10.5 |  |  |  |
Foreign Exchange Forward [Member] | Mexican Peso [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | MXN |  |  |  | MXN 35.7 |  |  |  |  | MXN 64.5 |  |
Foreign Exchange Forward [Member] | Euro [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | € 60.7 |  |  |  |  | € 46.9 |  |  |  |  |
Foreign Exchange Forward [Member] | Canadian Dollar [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | 31.0 |  |  |  |  | 0.0 |  |  |  |  |
Foreign Exchange Forward [Member] | British Pounds [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | CAD |  |  | CAD 4.9 |  |  |  |  | CAD 1.3 |  |  |
Foreign Exchange Forward [Member] | Singapore, Dollars [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ |  | $ 6.5 |  |  |  |  | $ 0.0 |  |  |  |
Foreign Exchange Forward [Member] | Australia Dollar [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | CAD |  |  |  |  |  |  |  |  |  |  | CAD 40.0
Foreign Exchange Forward [Member] | New Zealand Dollar [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | € 6.5 |  |  |  |  | € 0.0 |  |  |  |  |
Foreign Exchange Forward [Member] | Indian Rupee [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | ₨ |  |  |  |  | ₨ 169.4 |  |  |  |  | ₨ 584.6 |

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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + 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 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 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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