Disclosure about Fair Value of Financial Instruments (Summary of Items Measured at Fair Value on Recurring Basis) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	$ 4,636
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	(113,386)
Totals	(108,750)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	4,636
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Totals	4,636
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	(113,386)
Totals	(113,386)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Totals	$ 0