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Financial Instruments (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
swiss franc per euro floor | 1.2 |  |
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments | $ 1,700 | $ 1,000 |
Not Designated as Hedging Instrument [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount | 335,800 |  | $ 353,000
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months | 1,000 |  |
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness | 0 | 0 |
2.52% $50 Million Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Line Of Credit Facility Forecasted Borrowing Amount | $ 50,000 |  |
Derivative, Fixed Interest Rate | 2.52% |  |
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness | $ 0 | $ 0 |
2.25% $100 Million Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Line Of Credit Facility Forecasted Borrowing Amount | $ 100,000 |  |
Derivative, Fixed Interest Rate | 2.25% |  |
Derivative Maturing in 2015 [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Value Local Currency | $ 86,000 |  |
Derivative, Forward Exchange Rate | 1.21 |  |
Derivative Maturing in 2016 [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional Value Local Currency | $ 67,000 |  |
Derivative, Forward Exchange Rate | 1.19 |  |

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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 Forecasted borrowings which will be the hedged item in a cash flow hedge. + References No definition available. + Details
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- Definition Swiss franc per euro floor exchange rate established by the Swiss National Bank + References No definition available. + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + 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 Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as 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 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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