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Other Assets (Tables)
12 Months Ended
Dec. 31, 2020
Other Assets [Abstract]  
Other assets
Other assets consisted of the following:
(in millions)December 31,
2020
December 31,
2019
Investments in affiliated companies (Note 7)$138.8 $133.7 
Right-of-use lease assets (Note 11)65.6 71.2 
Other31.7 31.4 
Total other assets$236.1 $236.3