CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUES	$ 1,128,350	$ 1,275,730	$ 3,337,908	$ 3,865,513
OPERATING EXPENSES	1,083,259	1,160,394	3,229,542	3,521,196
OPERATING INCOME	45,091	115,336	108,366	344,317
OTHER INCOME (COSTS)
Interest and dividend income	3,946	1,127	10,604	1,579
Interest and other related financing costs	(2,236)	(1,755)	(6,768)	(5,558)
Other, net	89	(189)	6,907	(3,822)
TOTAL OTHER INCOME (COSTS)	1,799	(817)	10,743	(7,801)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	46,890	114,519	119,109	336,516
INCOME TAX PROVISION	11,963	25,906	25,735	78,353
NET INCOME FROM CONTINUING OPERATIONS	34,927	88,613	93,374	258,163
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX	(10)	229	53,269	2,709
NET INCOME	$ 34,917	$ 88,842	$ 146,643	$ 260,872
BASIC EARNINGS PER COMMON SHARE
Continuing operations (in dollars per share)	$ 1.46	$ 3.60	$ 3.87	$ 10.48
Discontinued operations (in dollars per share)		0.01	2.21	0.11
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	1.45	3.61	6.08	10.59
DILUTED EARNINGS PER COMMON SHARE
Continuing operations (in dollars per share)	1.42	3.49	3.77	10.07
Discontinued operations (in dollars per share)		0.01	2.15	0.11
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 1.42	$ 3.50	$ 5.92	$ 10.18
AVERAGE COMMON SHARES OUTSTANDING
Basic (in shares)	24,004,255	24,605,228	24,119,449	24,640,706
Diluted (in shares)	24,525,258	25,372,755	24,756,993	25,626,225