CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 114,398	$ 116,305
Investments in marketable securities	30,191	46,006
Accounts receivable, net	122,779	129,103
Inventories	154,133	151,577
Prepaid expenses	9,101	7,051
Deferred tax assets, net	9,534	11,857
Other current assets	49,120	35,756
Total current assets	489,256	497,655
Property, plant and equipment, net	444,699	469,943
Goodwill	3,376	3,376
Intangible assets, net	22,777	22,732
Deferred tax assets - noncurrent, net	59,655	48,957
Other noncurrent assets, net	33,938	12,605
Total assets	1,053,701	1,055,268
Current liabilities:
Accounts payable	58,316	67,812
Accrued payroll	31,191	28,519
Other accrued liabilities	12,811	9,901
Total current liabilities	102,318	106,232
Long-term liabilities:
Long-term income tax liability	3,238	735
Cross-licensing liability	13,070	0
Other long-term liabilities	12,429	11,013
Total liabilities	131,055	117,980
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred Stock, $0.001 par value, 5,000 shares authorized, no shares issued	0	0
Common stock, $0.001 par value, 600,000 shares authorized, 164,067 and 166,125 shares issued and outstanding at September 29, 2012 and December 31, 2011	164	166
Additional paid-in capital	686,185	678,412
Accumulated other comprehensive income	140	140
Retained earnings	236,157	258,570
Total stockholders' equity	922,646	937,288
Total liabilities and stockholders' equity	$ 1,053,701	$ 1,055,268