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Derivatives (Details 2) - USD ($)
$ in Thousands

3 Months Ended

6 Months Ended

Jun. 30, 2018

Jun. 30, 2017

Jun. 30, 2018

Jun. 30, 2017

Foreign currency option contracts | Derivatives not designated as hedging instruments

Derivative Instruments, Gain (Loss) [Line Items]

Net gain (loss) recognized in earnings

^[1]

$ 0

$ 0

$ 0

$ (1,132)

Foreign currency option contracts | Cash Flow Hedge

Derivative Instruments, Gain (Loss) [Line Items]

Net gain (loss) recognized in Other Comprehensive Income (Loss), net of tax

^[2]

33

(47)

49

(137)

Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales

(43)

43

(84)

1

Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income

0

0

0

0

Net gain (loss) reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses

0

0

0

0

Net gain (loss) recognized in earnings

^[3]

1

(4)

8

(5)

Foreign currency forward contracts | Derivatives not designated as hedging instruments

Derivative Instruments, Gain (Loss) [Line Items]

Net gain (loss) recognized in earnings

^[1]

3,210

(3,939)

1,832

(5,307)

Foreign currency forward contracts | Cash Flow Hedge

Derivative Instruments, Gain (Loss) [Line Items]

Net gain (loss) recognized in Other Comprehensive Income (Loss), net of tax

^[2]

9,373

(9,517)

3,676

(9,534)

Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales

13

(83)

(1)

(102)

Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income

467

449

858

449

Net gain (loss) reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses

7,912

(7,148)

3,985

(7,148)

Net gain (loss) recognized in earnings

^[3]

$ 3

$ 3

$ 6

$ 5

[1]	Classified in Net Foreign Currency Transaction Losses.
[2]	Net change in the fair value of the effective portion classified in Other Comprehensive (Loss) Income.
[3]	Ineffective portion and amount excluded from effectiveness testing classified in Net Foreign Currency Transaction Losses

X

- Definition

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

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into net foreign currency transaction gains (losses) on derivative instruments designated and qualifying as hedging instruments.

+ References

No definition available.

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+ References

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- Definition

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=84234895&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 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959

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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ 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 (d)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1),(2)
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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- Definition

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.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or 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 (e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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