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Note 6 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value, Measurement Inputs, Disclosure [Text Block]
   

Carrying Value

   

Estimated Fair Value

 

Senior revolving line of credit

  $ 187.8     $ 187.8  

Senior term loan

  $ 150.0     $ 150.0  

Senior notes

  $ 349.7     $ 365.6