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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accounting Policies [Abstract]      
Advertising costs $ 56.1 $ 56.4 $ 60.9
Foreign currency exchange transaction gain (loss) 26.5 15.6 8.7
Goodwill and Intangible Assets      
Goodwill impairment charge $ 0.0 $ 0.0 $ 198.9
Minimum      
Goodwill and Intangible Assets      
Estimated useful life of intangible assets 4 years    
Maximum      
Goodwill and Intangible Assets      
Estimated useful life of intangible assets 24 years    
Weighted Average      
Goodwill and Intangible Assets      
Estimated useful life of intangible assets 20 years    
Buildings | Minimum      
Property, Plant and Equipment      
Estimated useful life of PP&E 15 years    
Buildings | Maximum      
Property, Plant and Equipment      
Estimated useful life of PP&E 50 years    
Office furniture, fittings and equipment | Minimum      
Property, Plant and Equipment      
Estimated useful life of PP&E 3 years    
Office furniture, fittings and equipment | Maximum      
Property, Plant and Equipment      
Estimated useful life of PP&E 10 years    
Warehouse, laboratory and manufacturing equipment | Minimum      
Property, Plant and Equipment      
Estimated useful life of PP&E 3 years    
Warehouse, laboratory and manufacturing equipment | Maximum      
Property, Plant and Equipment      
Estimated useful life of PP&E 15 years