XML 62 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accounting for Asset Retirement Obligations (Details)
$ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
Asset retirement obligation [Roll Forward]  
Asset retirement liability, beginning of period $ 22.1
Accretion expense 0.8
Other 0.4
Payments (1.0)
Foreign currency translation (0.5)
Asset retirement liability, ending of period 21.8
Asset retirement obligation current portion 0.4
Asset retirement obligation noncurrent portion $ 21.4