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Subsequent Event (details) (USD $)
In Millions, except Per Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Oct. 29, 2012
Oct. 24, 2012
Mar. 19, 2012
Subsequent Event (Additional Textual) [Abstract]        
Cash paid, acquisition       $ 24.6
Subsequent Event (Textual) [Abstract]        
Dividend declared, amount per share     $ 0.04  
Dividend payable, date of record Jan. 02, 2013      
Dividend payable, date to be paid Jan. 22, 2013      
Cash deal for acquisition   5.1    
Purchase price to be paid contingent on attainment 2 years      
Accrued pending final adjustments   0.1    
Subsequent Event [Member]
       
Subsequent Event (Additional Textual) [Abstract]        
Cash paid, acquisition   $ 2.5    
Number of people joined   14