Fair Value Measurements and Derivative Instruments (Foreign Exchange Contracts) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	$ 170	$ 387	$ 1,583	$ 615
Revenue
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	211	429	1,039	1,009
Cost of sales
Derivative [Line Items]
Gain (Loss) Reclassified from AOCL to Earnings (Effective Portion)	(41)	(42)	544	(394)
Foreign exchange contracts
Derivative [Line Items]
Derivative Gain (Loss) Recognized in AOCL (Effective Portion)	(140)	959	614	1,465
Foreign exchange contracts \| Selling, general and administrative expense
Derivative [Line Items]
Derivative Gain (Loss) Recognized in Earnings	$ 2,138	$ 3,131	$ (1,437)	$ (173)

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

Reference 1: 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=35706170&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying 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 (c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624177-113959

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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