Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]
Proceeds from Income Tax Refunds	$ 32,677	$ 25,991	$ 7,438
Income taxes (net of refunds of $32,677, $25,991 and $7,438 in 2021, 2020 and 2019, respectively)(a)	130,840	52,103	170,450
Interest (net of capitalization)	27,734	66,379	45,532
Capital expenditures included in Accounts payable	165,677	139,120	199,451
Non-cash proceeds from divestitures	$ 244,530	$ 0	$ 0