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Note 14 - Employee Benefit Plans (Details) (USD $)
 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Jan. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Equity Securities [Member]
Dec. 31, 2013
Fixed Income Securities [Member]
Dec. 31, 2013
Non Traditional Securities [Member]
Jan. 31, 2012
Defined Contribution Plan [Member]
Dec. 31, 2013
Defined Contribution Plan [Member]
Dec. 31, 2013
Non Us Employees Defined Benefit Plan [Member]
Dec. 31, 2012
Non Us Employees Defined Benefit Plan [Member]
Note 14 - Employee Benefit Plans (Details) [Line Items]                    
Defined Benefit Plan Highest Average Compensation Period   5 years                
Defined Benefit Plan Maximum Period Allocated For Calculating Average Compensation   10 years                
Defined Benefit Plan, Expected Future Benefit Payments, Next Rolling Twelve Months (in Dollars)   $ 2,700,000                
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum       0.00% 35.00% 0.00%        
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum       55.00% 100.00% 10.00%        
Defined Benefit Plan Accumulated Other Comprehensive Income Unrecognized Actuarial Loss (in Dollars)   13,225,000                
Defined Benefit Plan Net Periodic Benefit Costs Actuarial Losses Expected To Be Recognized (in Dollars)   551,000                
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 3.00%                  
Defined Contribution Plan, Cost Recognized (in Dollars)   3,909,000 4,107,000       908,000 973,000    
Defined Contribution Plan, Number of Employees Covered   668 702              
Defined Benefit Plan, Administration Expenses (in Dollars)                 $ 247,000 $ 200,000