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Commitments and Contingencies (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2015
USD ($)
Employee
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Operating leases, future minimum payments due [Abstract]      
Operating leases, due in 2016 $ 9.8    
Operating leases, due in 2017 6.3    
Operating leases, due in 2018 4.2    
Operating leases, due in 2019 2.3    
Operating leases, due in 2020 1.6    
Operating leases, due thereafter 1.8    
Rent expense $ 12.3 $ 10.7 $ 10.6
Sensient Natural Ingredients LLC [Member]      
Loss Contingencies [Line Items]      
Number of employees terminated | Employee 5    
Number of additional potentially aggrieved former employees | Employee 13