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Restructuring - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Restructuring and Related Activities [Abstract]        
Restructuring costs     $ 4.8  
Asset impairments $ 18.6 $ 0.0 $ 18.6 $ 0.0