Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details)

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Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Goodwill    
Goodwill $ 2,238.0 $ 2,229.2
Accumulated impairment losses (46.6) (46.6)
Goodwill    
Beginning balance 2,182.6  
Foreign currency translation and other 8.8  
Ending balance 2,191.4  
Electronics    
Goodwill    
Goodwill 1,232.7 1,226.7
Accumulated impairment losses 0.0 0.0
Goodwill    
Beginning balance 1,226.7  
Foreign currency translation and other 6.0  
Ending balance 1,232.7  
Industrial & Specialty    
Goodwill    
Goodwill 1,005.3 1,002.5
Accumulated impairment losses (46.6) $ (46.6)
Goodwill    
Beginning balance 955.9  
Foreign currency translation and other 2.8  
Ending balance $ 958.7