Note 14 - Income Taxes Textuals (Details) (USD $)						12 Months Ended
	Dec. 31, 2011	Dec. 08, 2011	Dec. 31, 2010	Dec. 31, 2008	Dec. 31, 2011 California Research and Development Tax Credits [Member]	Dec. 31, 2011 Tax Return Examination Years 2002 through 2004 [Member]
Tax Credit Carryforward [Line Items]
California research and development tax credit carryforwards					$ 10,700,000
Valuation allowance	10,898,000		2,700,000
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	19,800,000	21,400,000	34,200,000	34,500,000
Income taxes paid						18,000,000
Unrecognized tax benefit that would impact effective tax rate	284,900,000		243,300,000
Accrued interest and penalties related to unrecognized tax benefits	54,800,000		50,000,000
Unremitted foreign earnings	$ 2,200,000