CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUES	$ 829,213	$ 701,399
OPERATING EXPENSES	797,022	693,580
OPERATING INCOME	32,191	7,819
OTHER INCOME (COSTS)
Interest and dividend income	392	1,375
Interest and other related financing costs	(2,428)	(2,947)
Other, net	1,192	(3,862)
TOTAL OTHER INCOME (COSTS)	(844)	(5,434)
INCOME BEFORE INCOME TAXES	31,347	2,385
INCOME TAX PROVISION	7,986	483
NET INCOME	$ 23,361	$ 1,902
EARNINGS PER COMMON SHARE
Basic	$ 0.92	$ 0.07
Diluted	$ 0.87	$ 0.07
AVERAGE COMMON SHARES OUTSTANDING
Basic	25,454,921	25,390,377
Diluted	26,930,402	26,246,800
CASH DIVIDENDS DECLARED PER COMMON SHARE	$ 0.08	$ 0.08