XML 102 R87.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplemental Financial Information (Cash Flows Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Supplemental Financial Information [Abstract]      
(Increase) decrease in other assets $ 25.7 $ (76.4) $ (94.1)
(Decrease) increase in liabilities (379.2) 208.2 (10.3)
(Increase) decrease in accounts receivable 269.5 (38.5) (46.7)
Changes in operating assets and liabilities $ 84.0 $ (93.3) $ 151.1