XML 101 R86.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplemental Financial Information (Repair And Maintenance Expense Related To Continuing Operations) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Supplemental Financial Information [Abstract]      
Repair and maintenance expense $ 270.1 $ 357.2 $ 287.8