Note 14 - Income Taxes Summary of Income Tax Contingencies Rollforward of Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	$ 92,845,000	$ 143,391,000
Tax positions related to the current year [Abstract]
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	1,268,000	2,313,000
Unrecognized Tax Benefits, Decreases Resulting from Current Period Tax Positions	(2,005,000)	0
Tax positions related to prior years [Abstract]
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	51,480,000	47,020,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(17,831,000)	(54,874,000)
Unrecognized Tax Benefits, Rollforward Change Due To Change In Judgment	0	(5,331,000)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	0	(39,674,000)
Balance at end of period	125,757,000	92,845,000
Unrecognized Tax Benefits, Net Amount Related to Prior Period Tax Positions	33,600,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Within Twelve Months, Estimated Range of Change, Upper Bound	$ 62,400,000