Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Income (Loss) Attributable to Parent, Total	$ 152,121	$ (113,789)	$ 273,962	$ (83,213)
Other Comprehensive Income:
Actuarially Determined Long-Term Liability Adjustments (Net of $508 Tax)	1,525	3,359	4,574	10,844
Unrealized (Loss) Gain on Cash Flow Hedges (Net of tax: $89, ($135), ($116), ($414))	(214)	390	401	1,195
Other Comprehensive Income	1,311	3,749	4,975	12,039
Comprehensive Income (Loss)	$ 153,432	$ (110,040)	$ 278,937	$ (71,174)