Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 2,804	$ 2,315
Accounts receivable, net	140,281	101,902
Inventories, net (includes LIFO debit of $7,669 and $8,045 as of March 31, 2017 and December 31, 2016, respectively)	263,190	254,526
Prepaid expenses and other	4,088	6,197
Total current assets	410,363	364,940
Property and equipment, at cost	375,938	374,242
Accumulated depreciation	(222,511)	(218,476)
Net property and equipment	153,427	155,766
Intangible assets, net	23,646	23,869
Other long-term assets	11,633	11,493
Total assets	599,069	556,068
Liabilities
Current portion of long-term debt	1,825	1,825
Accounts payable	87,211	79,458
Accrued payroll	9,839	8,445
Other accrued liabilities	13,913	15,170
Total current liabilities	112,788	104,898
Credit facility revolver	192,971	164,599
Other long-term liabilities	10,044	10,062
Deferred income taxes	21,731	23,119
Total liabilities	337,534	302,678
Shareholders' Equity
Preferred stock
Common stock	129,285	128,619
Treasury stock	(609)	(609)
Retained earnings	132,859	125,380
Total shareholders' equity	261,535	253,390
Total liabilities and shareholders' equity	$ 599,069	$ 556,068

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.