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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Future Minimum Payments Under Unconditional Purchase Commitments
Future minimum payments under unconditional purchase commitments, primarily for inventory purchase commitments as of December 31, 2020 were as follows:
(in millions)
2021$91.8 
20221.4 
20230.6 
20240.1 
20250.1 
Thereafter— 
Total unconditional purchase commitments$94.0