Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 146,983	$ 129,019
Trade accounts receivable, net of allowance for doubtful accounts of $11,469 and $11,729, respectively	543,744	468,375
Inventories	966,931	913,263
Prepaid income taxes	0	22,558
Other current assets	120,004	131,561
Total current assets	1,777,662	1,664,776
Property and equipment, net	904,201	818,889
Other assets, net	48,605	48,797
Total assets	2,730,468	2,532,462
Current liabilities:
Current portion of debt	12,610	62,050
Accounts payable	117,765	125,973
Accrued expenses	189,012	185,143
Income taxes payable	11,678	0
Total current liabilities	331,065	373,166
Long-term debt	432,390	302,950
Deferred income tax liabilities	57,715	55,057
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; 289,024,824 and 289,581,682 shares issued and outstanding, respectively	2,890	2,896
Additional paid-in capital	31,503	2,024
Retained earnings	1,912,048	1,842,772
Accumulated other comprehensive loss	(37,143)	(46,403)
Total stockholders' equity	1,909,298	1,801,289
Total liabilities and stockholders' equity	$ 2,730,468	$ 2,532,462