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Goodwill (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 24, 2012
Dec. 31, 2012
Strata Control Services Inc [Member]
Dec. 31, 2012
Strata Control Services Inc [Member]
Dec. 24, 2012
Strata Control Services Inc [Member]
Dec. 31, 2012
Fuel Specialties [Member]
Dec. 31, 2011
Fuel Specialties [Member]
Dec. 31, 2010
Fuel Specialties [Member]
Dec. 31, 2012
Performance Chemicals [Member]
Dec. 31, 2011
Performance Chemicals [Member]
Dec. 31, 2010
Performance Chemicals [Member]
Dec. 31, 2012
Octane Additives [Member]
Dec. 31, 2011
Octane Additives [Member]
Dec. 31, 2010
Octane Additives [Member]
Goodwill (Textual) [Abstract]                                
Historical accumulated amortization               $ 8.7     $ 0.3     $ 289.5    
Goodwill 149.0 141.5 143.6         117.6 108.8 108.9 30.1 30.1 30.1 1.3 2.6 4.6
Impairment of goodwill 1.2 2.0 2.2         0 0   0 0   1.2 2.0 2.2
Date of acquisition         Dec. 24, 2012                      
Voting equity interests acquired       100.00%     100.00%                  
Consideration paid for acquisition         59.4 59.4 60.0                  
Annual sales           20.0                    
Amounts of revenue or earning           0                    
Purchase Price       53.1                        
Payable in cash 5.0                              
Discount on acquisition related contingent consideration 4.3                              
Transfer of common stock 60,368                              
Fair value of pre determined target at acquisition date $ 2.0