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Other Assets (Tables)
 6 Months Ended
Jun. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other assets
Other assets consisted of the following:
(in millions)
 
June 30, 
 2017
 
December 31,
2016
Investments in affiliated companies
 
$
71.2

 
$
62.6

Other investments
 
15.5

 
9.5

Marketable Securities
 
12.0

 
12.4

Deposits
 
8.4

 
9.3

Deferred financing fees
 
1.0

 
1.2

Other
 
4.4

 
2.5

Total other assets
 
$
112.5

 
$
97.5