Cash Flow Hedge Impact on Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivative
Cost of goods sold	$ (272,999)	$ (278,311)
Interest (expense) income	(24,455)	(28,618)
Gain (loss) on cash flow hedging relationships | Amount of gain (loss) reclassified from AOCI into income
Derivative
Cost of goods sold	(373)	191
Interest (expense) income	$ (231)	$ (123)