Pension And Other Postretirement Benefits (Components Of The Plans' Net Periodic Benefits Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 8.7	$ 9.4
Interest cost	27.3	24.3
Expected return on assets	(45.3)	(42.4)
Amortization of transition obligation	0	0
Amortization of prior service cost (credit)	0	0.1
Recognized actuarial loss	11.9	20.7
Settlement loss	0	20.7
Total Net Periodic Benefits Cost	2.6	32.8
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	2.3	3.0
Interest cost	8.2	8.1
Expected return on assets	(9.1)	(7.6)
Amortization of transition obligation	0	0.1
Amortization of prior service cost (credit)	(0.6)	(0.2)
Recognized actuarial loss	0	2.8
Settlement loss	0	0
Total Net Periodic Benefits Cost	$ 0.8	$ 6.2