v3.10.0.1
Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2018
Commitments and Contingencies Disclosure [Abstract]  
Summary of restricted cash and marketable securities
The following table summarizes our restricted cash and marketable securities as of June 30, 2018 and December 31, 2017:
 
2018
 
2017
Financing proceeds
$
12.4

 
$
38.6

Capping, closure and post-closure obligations
29.0

 
28.6

Insurance
74.8

 
71.4

Other

 
2.5

Total restricted cash and marketable securities
$
116.2

 
$
141.1