Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash, cash equivalents and restricted cash	$ 28,714	$ 53,555
Accounts receivable, net of allowance of $1,151 in 2024 and $1,065 in 2023	205,740	215,581
Inventory	50,548	49,939
Prepaid supplies and other	30,476	26,626
TOTAL CURRENT ASSETS	315,478	345,701
Property and equipment, net	2,819,077	2,820,769
Customer incentive	140,764	60,961
Goodwill and acquired intangibles	477,320	482,427
Operating lease assets	65,399	54,060
Other assets	121,447	118,172
TOTAL ASSETS	3,939,485	3,882,090
CURRENT LIABILITIES:
Accounts payable	255,386	227,652
Accrued salaries, wages and benefits	47,677	56,650
Accrued expenses	11,119	10,784
Current portion of debt obligations	54,825	54,710
Current portion of lease obligations	21,465	20,167
Unearned revenue	38,310	30,226
TOTAL CURRENT LIABILITIES	428,782	400,189
Long term debt	1,577,328	1,707,572
Stock obligations	17,079	1,729
Post-retirement obligations	16,195	19,368
Long-term lease obligation	45,591	34,990
Other liabilities	97,357	64,292
Deferred income taxes	291,767	285,248
TOTAL LIABILITIES	2,474,099	2,513,388
Commitments and contingencies (Note H)
STOCKHOLDERS’ EQUITY:
Preferred stock, 20,000,000 shares authorized, including 75,000 Series A Junior Participating Preferred Stock	0	0
Common stock, par value $0.01 per share; 150,000,000 shares authorized; 65,761,436 and 65,240,961 shares issued and outstanding in 2024 and 2023, respectively	658	652
Additional paid-in capital	912,968	836,270
Retained earnings	605,256	589,209
Accumulated other comprehensive loss	(53,496)	(57,429)
TOTAL STOCKHOLDERS’ EQUITY	1,465,386	1,368,702
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,939,485	$ 3,882,090