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Note I - Business Segment Information
 12 Months Ended
Dec. 31, 2011
Segment Reporting Disclosure [Text Block]
Note I – Business Segment Information

The Company operates in one business segment: the design, manufacture and sale of pumps and related equipment (pump and motor controls) for use in water, wastewater, construction, industrial, petroleum, original equipment, agriculture, fire protection, heating, ventilation and air conditioning (HVAC), military and other liquid-handling applications. The Company’s pumps are marketed in the United States and worldwide through a network of more than 1,000 distributors, through manufacturers’ representatives (for sales to many original equipment manufacturers), through third-party distributor catalogs, and by direct sales. International sales are made primarily through foreign distributors and representatives. The Company sells to more than 100 countries around the world. The components of customer sales, determined based on the location of customers are:

   
2011
   
%
   
2010
   
%
   
2009
   
%
 
United States
  $ 241,405       67     $ 180,705       61     $ 169,844       64  
Foreign countries
    118,085       33       116,103       39       96,398       36  
Total
  $ 359,490       100     $ 296,808       100     $ 266,242       100