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Note 18 - Commitments and Contingencies Commitment for Non Cancelable Operating Leases in Future Years (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Operating Leased Assets [Line Items]      
Operating Leases, Rent Expense $ 5,000,000 $ 4,900,000 $ 7,500,000
Operating Leases, Future Minimum Payments Due, Current 12,619,000    
Operating Leases, Future Minimum Payments, Due in Two Years 12,518,000    
Operating Leases, Future Minimum Payments, Due in Three Years 12,313,000    
Operating Leases, Future Minimum Payments, Due in Four Years 10,144,000    
Operating Leases, Future Minimum Payments, Due in Five Years 4,296,000    
Operating Leases, Future Minimum Payments, Due Thereafter 3,006,000    
Operating Leases, Future Minimum Payments Due 54,896,000    
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals $ 13,500,000