Derivative Instruments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Commodity Forward Derivative | Designated as Hedging Instrument [Member] | Cost of sales
Derivative Instruments, Gain (Loss)
Amount of (Gain)/Loss Recognized	$ 2,809	$ 1,848
Foreign currency derivatives | Not Designated as Hedging Instrument [Member] | Cost Of Good Sold Other Expense Income [Member]
Derivative Instruments, Gain (Loss)
Amount of (Gain)/Loss Recognized	499	677
Commodity Contract [Member] | Not Designated as Hedging Instrument [Member] | Interest expense
Derivative Instruments, Gain (Loss)
Amount of (Gain)/Loss Recognized	139	0
Interest rate swap contract | Designated as Hedging Instrument [Member] | Interest expense
Derivative Instruments, Gain (Loss)
Amount of (Gain)/Loss Recognized	$ 206	$ 0