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Financial Instruments and Fair Value Measurements (Narrative) (Details) € in Thousands, $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) | Mar. 31, 2018 EUR (€)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Payment of earn-out consideration paid within operating activities | $ 469 | $ 904 |  |
Earn-out consideration cash payment within financing activities | 3,394 |  |  |
Transfers in or out of Level 3 | 0 |  |  |
Euro-Denominated Foreign Currency Forward Contracts [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Gain (loss) on derivative instruments held for trading purposes, net |  | $ (20) |  |
Cash Flow Hedging [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
(Gain) loss from cash flow hedge derivatives to be reclassified | (423) |  |  |
Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts Euro Functional Currency [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Notional amounts | 0 |  | $ 0 |
Cash Flow Hedging [Member] | U.S. Dollar Denominated Foreign Currency Forward Contracts, Swedish Krona Functional Currency [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Notional amounts | 0 |  | 0 |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Forward Currency Contracts [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Notional amounts | 6,108 |  | 9,017 |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Mexican Peso-Denominated Foreign Currency Forward Contracts [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Notional amounts | 6,108 |  | $ 9,017 |
Fair Value, Inputs, Level 2 [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Financial assets carried at fair value | 423 |  |  |
Forward currency asset contracts | 423 |  |  |
Orlaco [Member] |  |  |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |  |  |
Earn-out consideration | € |  |  |  | € 7,500
Payment of earn-out consideration paid within operating activities | 5,080 |  |  |
Earn-out consideration cash payment within financing activities | $ 3,394 |  |  |

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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 Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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- Definition Amount of transfers of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) into (out of) level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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