Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Cash Flow Hedge Impact on Income Statement (Details)

v3.19.3
Financial Instruments - Cash Flow Hedge Impact on Income Statement (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative        
Cost of goods sold $ (310,904) $ (319,703) $ (905,395) $ (934,088)
Interest (expense) income (27,697) (28,238) (84,855) (84,622)
Gain (loss) on cash flow hedging relationships | Amount of gain (loss) reclassified from AOCI into income        
Derivative        
Cost of goods sold (291) (30) (187) (101)
Interest (expense) income $ (157) $ (71) $ (449) $ (164)