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Note 5 - Goodwill and Intangible Assets (Details) - Intangible Amortization Expense (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Intangible Amortization Expense [Abstract]    
Six months ended December 31, 2013 $ 26,993  
Year ended December 31:    
2014 37,391  
2015 28,178  
2016 14,954  
2017 8,279  
Thereafter 414  
Total $ 116,209 $ 152,896