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Restructuring - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Restructuring and Related Activities [Abstract]          
Restructuring costs       $ 7,700,000  
Asset impairments $ 0 $ 18,600,000 $ 0 $ 18,600,000 $ 0