CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUES	$ 4,179,019	$ 4,427,443	$ 5,029,008
OPERATING EXPENSES	3,934,585	4,254,824	4,634,482
OPERATING INCOME	244,434	172,619	394,526
OTHER INCOME (COSTS)
Interest and dividend income	11,618	14,728	3,873
Interest and other related financing costs	(8,980)	(9,094)	(7,726)
Other, net	(28,358)	8,662	(2,370)
TOTAL OTHER INCOME (COSTS)	(25,720)	14,296	(6,223)
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	218,714	186,915	388,303
INCOME TAX PROVISION	45,353	44,751	93,655
NET INCOME FROM CONTINUING OPERATIONS	173,361	142,164	294,648
INCOME FROM DISCONTINUED OPERATIONS, net of tax	600	53,269	3,561
NET INCOME	$ 173,961	$ 195,433	$ 298,209
BASIC EARNINGS PER COMMON SHARE
Continuing operations (in dollars per share)	$ 7.36	$ 5.92	$ 11.98
Discontinued operations (in dollars per share)	0.03	2.22	0.14
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	7.39	8.14	12.13
DILUTED EARNINGS PER COMMON SHARE
Continuing operations (in dollars per share)	7.28	5.77	11.55
Discontinued operations (in dollars per share)	0.03	2.16	0.14
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 7.3	$ 7.93	$ 11.69
AVERAGE COMMON SHARES OUTSTANDING
Basic (in shares)	23,553,410	24,018,801	24,585,205
Diluted (in shares)	23,820,175	24,634,617	25,504,508