Fair Value Measurements and Derivative Instruments (Foreign Exchange Contracts) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Derivative [Line Items]
Derivative Gain (Loss) Recognized in AOCL (Effective Portion)	$ 345	$ (146)
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	127	(87)
Revenue
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	111	(3)
Cost of sales
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	16	(84)
Interest Expense
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	0	0
Foreign exchange contracts
Derivative [Line Items]
Derivative Gain (Loss) Recognized in AOCL (Effective Portion)	345	35
Foreign exchange contracts \| Selling, general and administrative expense
Derivative [Line Items]
Derivative Gain (Loss) Recognized in Earnings	5,269	(4,713)
Interest rate swap
Derivative [Line Items]
Derivative Gain (Loss) Recognized in AOCL (Effective Portion)	$ 0	$ (181)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
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Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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