XML 75 R62.htm IDEA: XBRL DOCUMENT v3.4.0.3
Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Pension [Member]    
Components of Net Periodic Benefit Expense (Income) [Abstract]    
Service Cost $ 2.0 $ 2.5
Interest Cost 8.1 7.5
Expected Return on Plan Assets (10.6) (10.2)
Amortization of Prior Service Credits 0.0 0.0
Amortization of Net Loss 2.4 4.5
Net Periodic Benefit Expense (Income) 1.9 4.3
Contributions 0.0 0.0
Estimated Future Contributions 2.0  
Other Postretirement [Member]    
Components of Net Periodic Benefit Expense (Income) [Abstract]    
Service Cost 1.0 1.1
Interest Cost 1.9 1.8
Expected Return on Plan Assets (2.8) (2.7)
Amortization of Prior Service Credits (0.7) (0.8)
Amortization of Net Loss 0.0 0.1
Net Periodic Benefit Expense (Income) (0.6) (0.5)
Contributions 0.0 $ 0.0
Estimated Future Contributions $ 0.0