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Note 5 - Goodwill and Intangible Assets (Detail) - Intangible Amortization Expense (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Nine months ended December 31, 2013 $ 40,981  
Year ended December 31:    
2014 39,805  
2015 29,769  
2016 16,166  
2017 9,088  
Thereafter 414  
Total $ 136,223 $ 152,896