CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 7,508	$ 9,772
Accounts receivable, net	285,134	634,730
Inventories	136,248	155,611
Deferred income taxes	8,096	9,422
Income taxes receivable	27,078	29,115
Prepaid expenses	6,038	9,135
Other current assets	7,940	3,843
Total current assets	478,042	851,628
Property, plant and equipment, less accumulated depreciation of $1,409,343 in 2015 and $1,239,163 in 2014	753,414	849,383
Goodwill	32,150	32,150
Other assets	24,485	26,197
Total assets	1,288,091	1,759,358
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	78,028	175,416
Accrued payroll and related expenses	21,073	49,798
Accrued insurance expenses	4,730	5,632
Accrued state, local and other taxes	7,320	6,821
Income taxes payable	5,961	944
Other accrued expenses	152	401
Total current liabilities	117,264	239,012
Long-term accrued insurance expenses	10,874	10,099
Notes payable to banks	19,500	224,500
Long-term pension liabilities	33,661	34,399
Deferred income taxes	103,891	156,977
Other long-term liabilities	15,992	15,989
Total liabilities	301,182	680,976
Common stock	$ 21,701	$ 21,654
Capital in excess of par value
Retained earnings	$ 984,168	$ 1,074,561
Accumulated other comprehensive loss	(18,960)	(17,833)
Total stockholders' equity	986,909	1,078,382
Total liabilities and stockholders' equity	$ 1,288,091	$ 1,759,358