Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 5,999	$ 7,782
Accounts receivable, net	131,478	112,841
Inventories, net (includes LIFO debit of $2,495 as of September 30, 2013)	245,771	290,023
Prepaid expenses and other	11,749	11,731
Total current assets	394,997	422,377
Property and equipment, at cost	358,169	347,935
Accumulated depreciation	(165,044)	(151,608)
Net property and equipment	193,125	196,327
Goodwill	40,787	40,787
Intangible assets, net	34,757	35,424
Other long-term assets	14,043	11,079
Total assets	677,709	705,994
Liabilities
Current portion of long-term debt	13,090	15,282
Accounts payable	101,050	101,471
Accrued payroll	9,460	10,705
Other accrued liabilities	19,294	14,984
Total current liabilities	142,894	142,442
Credit facility revolver	145,745	177,575
Long-term debt	42,292	48,854
Other long-term liabilities	14,238	11,410
Deferred income taxes	32,583	35,856
Total liabilities	377,752	416,137
Shareholders' Equity
Preferred stock	0	0
Common stock	123,909	122,272
Accumulated other comprehensive loss	(488)	(579)
Retained earnings	176,536	168,164
Total shareholders' equity	299,957	289,857
Total liabilities and shareholders' equity	$ 677,709	$ 705,994