Other, Net
 3 Months Ended
Mar. 31, 2016
Other Nonoperating Income (Expense) [Abstract]  
Other, Net
Other, Net
 
Three Months Ended
March 31,
(in millions)
2016
 
2015
AFUDC Equity
$
6.1

 
$
3.5

Miscellaneous
—

 
0.8

Total Other, net
$
6.1

 
$
4.3