Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Income (Loss) Attributable to Parent, Total	$ 126,291	$ 4,172	$ 121,841	$ 30,576
Other Comprehensive Income:
Actuarially Determined Long-Term Liability Adjustments, Tax	1,524	4,125	3,049	7,485
Unrealized Gain on Cash Flow Hedges (Net of tax: ($75), ($135), ($205), ($279))	224	391	615	805
Other Comprehensive Income	1,748	4,516	3,664	8,290
Comprehensive Income	$ 128,039	$ 8,688	$ 125,505	$ 38,866