Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Assets
Cash and cash equivalents	$ 111,048	$ 143,693
Marketable securities	26,203	26,067
Trade accounts receivable, net of allowance for doubtful accounts of $5,147 and $4,761, respectively	361,075	270,133
Inventories	618,149	557,369
Deferred income tax assets	16,502	17,897
Other current assets	84,387	70,539
Total current assets	1,217,364	1,085,698
Marketable securities	0	5,152
Property and equipment, less accumulated depreciation	420,388	363,419
Other assets, net	13,268	14,014
Total assets	1,651,020	1,468,283
Liabilities and Stockholders' Equity
Accounts payable	86,839	60,474
Accrued expenses	108,568	96,412
Income taxes payable	23,462	5,299
Total current liabilities	218,869	162,185
Deferred income tax liabilities	23,325	23,586
Stockholders' equity:
Preferred stock, 5,000,000 shares authorized	0	0
Common stock, 400,000,000 shares authorized, 295,203,874 and 294,861,424 shares issued and outstanding, respectively	2,952	2,948
Additional paid-in capital	14,317	2,889
Retained earnings	1,378,227	1,258,183
Accumulated other comprehensive income	13,330	18,492
Total stockholders' equity	1,408,826	1,282,512
Total liabilities and stockholders' equity	$ 1,651,020	$ 1,468,283