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Note 9 - Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of Intangible Assets $ 21,024us-gaap_AmortizationOfIntangibleAssets $ 25,819us-gaap_AmortizationOfIntangibleAssets $ 45,867us-gaap_AmortizationOfIntangibleAssets
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 20,965us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 19,015us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 15,624us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 11,422us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 9,600us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive