Employee Pension And Other Postretirement Plans (Summary Of Changes In Fair Value Of Level 3 Assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair value of plan assets at end of year	$ 692.1	$ 660.6
Corporate Debt Securities [Member]
Fair value of plan assets at end of year	134.6	29.7
Asset-Backed And Mortgage-Backed Securities [Member]
Fair value of plan assets at end of year	13.6	0
Unobservable Inputs (Level 3) [Member]
Fair value of plan assets at beginning of year	2.0
Actual return on plan assets - assets held at reporting date	0
Actual return on plan assets - assets sold during period	(0.1)
Purchases, sales and settlements, net	2.6
Transfers in/(transfers out), net	(0.4)
Fair value of plan assets at end of year	4.1
Unobservable Inputs (Level 3) [Member] | Corporate Debt Securities [Member]
Fair value of plan assets at beginning of year	2.0	2.0
Actual return on plan assets - assets held at reporting date	0	0
Actual return on plan assets - assets sold during period	0	0
Purchases, sales and settlements, net	0	0.1
Transfers in/(transfers out), net	(0.4)	(0.1)
Fair value of plan assets at end of year	1.6	2.0
Unobservable Inputs (Level 3) [Member] | Asset-Backed And Mortgage-Backed Securities [Member]
Fair value of plan assets at beginning of year	0
Actual return on plan assets - assets held at reporting date	0
Actual return on plan assets - assets sold during period	(0.1)
Purchases, sales and settlements, net	2.6
Transfers in/(transfers out), net	0
Fair value of plan assets at end of year	$ 2.5