CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 6,970	$ 9,035
Accounts receivable, net	437,257	294,002
Inventories	93,136	64,059
Deferred income taxes	8,037	7,426
Income taxes receivable	2,374	17,251
Prepaid expenses and other current assets	17,519	6,905
Total current assets	565,293	398,678
Property, plant and equipment, net	612,724	453,017
Goodwill	24,093	24,093
Other assets	11,921	12,083
Total assets	1,214,031	887,871
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	139,508	78,743
Accrued payroll and related expenses	28,078	23,881
Accrued insurance expenses	6,041	5,141
Accrued state, local and other taxes	6,139	2,988
Income taxes payable	3,985	5,788
Other accrued expenses	1,324	963
Total current liabilities	185,075	117,504
Long-term accrued insurance expenses	8,889	8,489
Notes payable to banks	140,800	121,250
Long-term pension liabilities	18,431	18,397
Other long-term liabilities	2,926	2,448
Deferred income taxes	139,082	80,888
Total liabilities	495,203	348,976
Common stock	14,831	14,818
Capital in excess of par value		6,460
Retained earnings	713,537	527,150
Accumulated other comprehensive loss	(9,540)	(9,533)
Total stockholders' equity	718,828	538,895
Total liabilities and stockholders' equity	$ 1,214,031	$ 887,871