CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 35,885	$ 82,433
Accounts receivable, net of allowance for credit losses of $6,555 in 2022 and $5,717 in 2021	470,000	258,635
Inventories	93,346	78,983
Income taxes receivable	45,466	58,504
Prepaid expenses	6,866	9,773
Assets held for sale	692	692
Other current assets	2,867	2,990
Total current assets	655,122	492,010
Property, plant and equipment, less accumulated depreciation of $776,163 in 2022 and $788,922 in 2021	312,596	254,408
Operating lease right-of-use assets	21,768	24,572
Finance lease right-of-use assets		20,327
Goodwill	32,150	32,150
Other assets	33,947	40,898
Total assets	1,055,583	864,365
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	146,569	74,404
Accrued payroll and related expenses	26,046	15,350
Accrued insurance expenses	4,427	10,129
Accrued state, local and other taxes	6,214	1,905
Income taxes payable	517	656
Pension liabilities	6,429
Current portion of operating lease liabilities	6,299	6,387
Current portion of finance lease liabilities		20,194
Other accrued expenses	1,743	1,824
Total current liabilities	198,244	130,849
Long-term accrued insurance expenses	8,008	11,770
Long-term pension and retirement plans liabilities	22,128	35,376
Deferred income taxes	31,223	17,749
Long-term operating lease liabilities	16,832	19,719
Other long-term liabilities	5,738	7,111
Total liabilities	282,173	222,574
Commitments and contingencies (Note 9)
STOCKHOLDERS' EQUITY
Preferred stock, $0.10 par value, 1,000,000 shares authorized, none issued
Common stock, $0.10 par value, 349,000,000 shares authorized, 216,631,140 and 215,628,716 shares issued and outstanding in 2022 and 2021, respectively	21,663	21,563
Capital in excess of par value	0	0
Retained earnings	771,779	640,936
Accumulated other comprehensive loss	(20,032)	(20,708)
Total stockholders' equity	773,410	641,791
Total liabilities and stockholders' equity	$ 1,055,583	$ 864,365