Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 112,735	$ 129,019
Trade accounts receivable, net of allowance for doubtful accounts of $11,249 and $11,729, respectively	499,716	468,375
Inventories	992,989	913,263
Prepaid income taxes	12,907	22,558
Other current assets	102,423	131,561
Total current assets	1,720,770	1,664,776
Property and equipment, net	899,697	818,889
Other assets, net	48,417	48,797
Total assets	2,668,884	2,532,462
Current liabilities:
Current portion of debt	10,482	62,050
Accounts payable	108,740	125,973
Accrued expenses	156,422	185,143
Total current liabilities	275,644	373,166
Long-term debt	379,518	302,950
Deferred income tax liabilities	80,628	55,057
Commitments and contingencies (Notes 4, 8, and 9)
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value, 400,000,000 shares authorized; 289,161,924 and 289,581,682 shares issued and outstanding, respectively	2,892	2,896
Additional paid-in capital	37,363	2,024
Retained earnings	1,940,143	1,842,772
Accumulated other comprehensive income (loss)	(47,304)	(46,403)
Total stockholders' equity	1,933,094	1,801,289
Total liabilities and stockholders' equity	$ 2,668,884	$ 2,532,462

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.