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Other Non-Current Assets
 12 Months Ended
Dec. 31, 2020
Subclassifications of assets, liabilities and equities [abstract]  
Other Non-Current Assets OTHER NON-CURRENT ASSETS:
December 31
Note20192020
 Net pension assets19$5.1 $5.6 
Land rights
9.7 9.3 
Deferred investment costs
1.9 1.8 
Deferred financing costs
2.2 1.5 
Other
7.5 7.3 
$26.4 $25.5