Note 14 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 4,800,000	$ 2,900,000	$ 12,800,000
Income tax expense	4,300,000
Current tax expense:
United States (U.S.)	21,618,000	30,305,000	12,654,000
State	235,000	1,224,000	10,273,000
Foreign	40,771,000	19,158,000	37,439,000
Current tax expense	62,624,000	50,687,000	60,366,000
Deferred taxes:
U.S.	21,024,000	11,252,000	(6,741,000)
State	(22,000)	23,004,000	851,000
Foreign	(5,345,000)	0	0
Deferred tax expense (benefit)	15,657,000	34,256,000	(5,890,000)
Income tax expense	$ 78,281,000	$ 84,943,000	$ 54,476,000