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Summary of Significant Accounting Policies - Summary of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Raw materials $ 1,051.6 $ 906.3
Work-in-process 109.8 107.0
Finished goods 396.9 380.4
Reserves (157.2) (135.5)
Inventories $ 1,401.1 $ 1,258.2