Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Financial Instruments - Cash Flow Hedge Impact on Statements of Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]      
Cost of goods sold $ (834,007) $ (901,512) $ (925,534)
Interest (expense) income (66,979) (87,072) (90,758)
Gain (loss) on cash flow hedging relationships | Amount of gain (loss) reclassified from AOCI into income      
Derivative [Line Items]      
Interest (expense) income $ (54) $ (625) $ (256)