CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 14,844	$ 9,772
Accounts receivable, net	299,550	634,730
Inventories	146,945	155,611
Deferred income taxes	9,027	9,422
Income taxes receivable	32,292	29,115
Prepaid expenses	6,417	9,135
Other current assets	2,530	3,843
Total current assets	511,605	851,628
Property, plant and equipment, less accumulated depreciation of $1,347,146 in 2015 and $1,239,163 in 2014	813,993	849,383
Goodwill	32,150	32,150
Other assets	26,034	26,197
Total assets	1,383,782	1,759,358
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	75,606	175,416
Accrued payroll and related expenses	24,070	49,798
Accrued insurance expenses	6,878	5,632
Accrued state, local and other taxes	5,967	6,821
Income taxes payable	4,051	944
Other accrued expenses	157	401
Total current liabilities	116,729	239,012
Long-term accrued insurance expenses	11,324	10,099
Notes payable to banks	54,900	224,500
Long-term pension liabilities	35,014	34,399
Deferred income taxes	130,002	156,977
Other long-term liabilities	15,818	15,989
Total liabilities	363,787	680,976
Common stock	$ 21,702	$ 21,654
Capital in excess of par value
Retained earnings	$ 1,016,754	$ 1,074,561
Accumulated other comprehensive loss	(18,461)	(17,833)
Total stockholders' equity	1,019,995	1,078,382
Total liabilities and stockholders' equity	$ 1,383,782	$ 1,759,358