XML 61 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Future Commitments under Non-Cancelable Operating Leases

 Future commitments under non-cancelable operating leases are as follows:

 

(in millions)

      

2018

   $ 4.3  

2019

     3.5  

2020

     2.8  

2021

     2.2  

2022

     1.6  

Thereafter

     5.9  
  

 

 

 
   $ 20.3