Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 111,775	$ 114,496
Trade accounts receivable, net of allowance for doubtful accounts of $11,795 and $12,619, respectively	537,055	462,077
Inventories	883,207	869,224
Deferred income tax assets	20,427	21,765
Prepaid income taxes	2,839	0
Other current assets	117,687	115,703
Total current assets	1,672,990	1,583,265
Property and equipment, less accumulated depreciation	810,652	763,889
Other assets, net	11,635	11,948
Total assets	2,495,277	2,359,102
Current liabilities:
Line of credit, current	41,510	90,000
Accounts payable	131,979	103,909
Accrued expenses	194,791	174,002
Income taxes payable	0	7,442
Total current liabilities	368,280	375,353
Line of credit, noncurrent	273,490	0
Deferred income tax liabilities	70,016	68,532
Stockholders' equity:
Preferred stock, 5,000,000 shares authorized	0	0
Common stock, 400,000,000 shares authorized, 289,654,284 and 295,867,844 shares issued and outstanding, respectively	2,897	2,959
Additional paid-in capital	1,031	33,744
Retained earnings	1,819,794	1,886,350
Accumulated other comprehensive loss	(40,231)	(7,836)
Total stockholders' equity	1,783,491	1,915,217
Total liabilities and stockholders' equity	$ 2,495,277	$ 2,359,102

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).

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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.