Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 3,798	$ 7,782
Accounts receivable, net	143,108	112,841
Inventories, net (includes LIFO debit of $2,307 as of June 30, 2013)	248,787	290,023
Prepaid expenses and other	9,049	11,731
Total current assets	404,742	422,377
Property and equipment, at cost	349,393	347,935
Accumulated depreciation	(159,993)	(151,608)
Net property and equipment	189,400	196,327
Goodwill	40,787	40,787
Intangible assets, net	34,979	35,424
Other long-term assets	13,022	11,079
Total assets	682,930	705,994
Liabilities
Current portion of long-term debt	13,090	15,282
Accounts payable	102,358	101,471
Accrued payroll	11,370	10,705
Other accrued liabilities	16,873	14,984
Total current liabilities	143,691	142,442
Credit facility revolver	150,020	177,575
Long-term debt	44,479	48,854
Other long-term liabilities	12,508	11,410
Deferred income taxes	33,812	35,856
Total liabilities	384,510	416,137
Shareholders' Equity
Preferred stock	0	0
Common stock	123,454	122,272
Accumulated other comprehensive loss	(448)	(579)
Retained earnings	175,414	168,164
Total shareholders' equity	298,420	289,857
Total liabilities and shareholders' equity	$ 682,930	$ 705,994