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Note 5 - Goodwill and Intangible Assets (Details) - Intangible Amortization Expense (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Intangible Amortization Expense [Abstract]    
Three months ended December 31, 2013 $ 13,093  
Year ended December 31:    
2014 38,292  
2015 28,921  
2016 15,393  
2017 8,391  
Thereafter 416  
Total $ 104,506 $ 152,896