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Long-Lived Assets - Geographic Areas (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Long-Lived Assets by Geographic Areas [Line Items]      
Total long-lived Assets $ 1,342.7 $ 1,005.3 $ 974.8
United States      
Long-Lived Assets by Geographic Areas [Line Items]      
Total long-lived Assets 1,238.4 947.7 919.5
Canada and Mexico      
Long-Lived Assets by Geographic Areas [Line Items]      
Total long-lived Assets 72.2 43.0 42.8
North America      
Long-Lived Assets by Geographic Areas [Line Items]      
Total long-lived Assets 1,310.6 990.7 962.3
All other foreign countries      
Long-Lived Assets by Geographic Areas [Line Items]      
Total long-lived Assets $ 32.1 $ 14.6 $ 12.5