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Other Assets (Tables)
12 Months Ended
Dec. 31, 2018
Other Assets [Abstract]  
Other assets
Other assets consisted of the following:
(in millions)
December 31,
2018
 
December 31,
2017
Investments in affiliated companies
$
81.9

 
$
79.2

Interest rate caps
16.5

 
9.4

Other investments
12.4

 
13.5

Marketable securities
12.4

 
12.7

Deposits
3.8

 
14.6

Deferred financing fees
1.6

 
2.0

Other
7.7

 
5.2

Total other assets
$
136.3

 
$
136.6