Derivatives and Risk Management Amount of Gain (Loss) Recognized in OCI and Income Statement (Details) - Cash Flow Hedging - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI	$ 1,482	$ (689)	$ 632	$ 933
Gains (Losses) Reclassified from AOCI to Earnings	(158)	181	(681)	1,598
Foreign Exchange Contract \| Foreign exchange and other gains (losses)
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI	1,482	(689)	632	933
Gains (Losses) Reclassified from AOCI to Earnings	(692)	963	(777)	3,094
Foreign Exchange Contract \| SG&A
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI	0	0	0	0
Gains (Losses) Reclassified from AOCI to Earnings	$ 534	(742)	209	(1,470)
Interest Rate Swap Contracts \| Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI		0	0	0
Gains (Losses) Reclassified from AOCI to Earnings		$ (40)	(113)	$ (26)
Derivatives Designated as Hedging Instruments \| Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
After-Tax Net Loss in AOCI as of period end			1,512
Amount Expected to be Reclassified to Earnings in Next 12 Months			$ 1,512

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.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before 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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Amount, after tax and before adjustments, of gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.

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