Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 129,019	$ 114,496
Trade accounts receivable, net of allowance for doubtful accounts of $11,729 and $12,619, respectively	468,375	462,077
Inventories	913,263	869,224
Deferred income tax assets	0	21,765
Prepaid income taxes	22,558	0
Other current assets	131,561	115,703
Total current assets	1,664,776	1,583,265
Property and equipment, net	818,889	763,889
Other assets, net	48,797	11,948
Total assets	2,532,462	2,359,102
Current liabilities:
Current portion of debt	62,050	90,000
Accounts payable	125,973	103,909
Accrued expenses	185,143	174,002
Income taxes payable	0	7,442
Total current liabilities	373,166	375,353
Long-term debt	302,950	0
Deferred income tax liabilities	$ 55,057	$ 68,532
Commitments and contingencies (Notes 4, 8, and 9)
Stockholders' equity:
Preferred stock, 5,000,000 shares authorized	$ 0	$ 0
Common stock, 400,000,000 shares authorized, 289,581,682 and 295,867,844 shares issued and outstanding, respectively	2,896	2,959
Additional paid-in capital	2,024	33,744
Retained earnings	1,842,772	1,886,350
Accumulated other comprehensive (loss) income	(46,403)	(7,836)
Total stockholders' equity	1,801,289	1,915,217
Total liabilities and stockholders' equity	$ 2,532,462	$ 2,359,102