Derivative Financial Instruments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 412	$ 154	$ 628	$ 267
Foreign exchange derivative | Designated As Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	256	49	315	98
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	256	49	315	97
Foreign exchange derivative | Net sales | Designated As Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	21
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net			0	(37)
Foreign exchange derivative | Cost of goods sold | Designated As Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	233	32
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net			276	140
Foreign exchange derivative | Selling, general and administrative expenses | Designated As Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	23	(4)
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net			39	(5)
Foreign exchange derivative | Other income and expenses | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net			0	(1)
Derivative, Net Hedge Ineffectiveness Gain (Loss)	0	0
Interest rate swap | Interest expense | Designated As Hedging
Derivative, Gain (Loss) on Derivative, Net
Derivative, Gain (Loss) on Derivative, Net	$ 156	$ 105	$ 313	$ 170