Employee Pension And Other Postretirement Plans (Schedule Of Other Changes In Plan Assets And Benefit Obligations Recognized In Accumulated Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
New prior service cost	$ (3.4)	$ 0.1	$ 0
Net (gain) loss arising during the period	(83.0)	21.8	94.8
Amortization or curtailment recognition of prior service cost (credit)	0.8	0.2	3.3
Immediate recognition of net gain (loss)	83.0	(21.8)	(94.8)
Total amount recognized in AOCI for the period	(2.6)	0.3	3.3
Net periodic benefit cost	(87.9)	26.7	92.5
Total amount recognized in net periodic benefit cost and AOCI for the period	(90.5)	27.0	95.8
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
New prior service cost	(0.7)	0	0
Net (gain) loss arising during the period	(80.6)	23.4	96.2
Amortization or curtailment recognition of prior service cost (credit)	0	0	(0.1)
Immediate recognition of net gain (loss)	80.6	(23.4)	(96.2)
Total amount recognized in AOCI for the period	(0.7)	0	(0.1)
Net periodic benefit cost	(86.5)	25.6	94.6
Total amount recognized in net periodic benefit cost and AOCI for the period	(87.2)	25.6	94.5
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
New prior service cost	(2.7)	0.1	0
Net (gain) loss arising during the period	(2.4)	(1.6)	(1.4)
Amortization or curtailment recognition of prior service cost (credit)	0.8	0.2	3.4
Immediate recognition of net gain (loss)	2.4	1.6	1.4
Total amount recognized in AOCI for the period	(1.9)	0.3	3.4
Net periodic benefit cost	(1.4)	1.1	(2.1)
Total amount recognized in net periodic benefit cost and AOCI for the period	$ (3.3)	$ 1.4	$ 1.3