Pension Benefit Plans (Fair Values Of Pension Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 2,761.2	$ 2,555.4
Quoted Prices in Active Market (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	717.9	876.3
Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,616.0	1,364.7
Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	427.3	314.4	315.9
Cash and equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	28.3	22.5
Cash and equivalents | Quoted Prices in Active Market (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	28.3	22.5
Common Stock
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	303.7	319.9
Common Stock | Quoted Prices in Active Market (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	278.5	298.5
Common Stock | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	25.2	21.4
Preferred stock
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	15.9	15.1
Preferred stock | Quoted Prices in Active Market (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	15.9	15.1
Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	152.0	155.9
Corporate bonds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	152.0	155.9
Government issued
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23.5	5.0
Government issued | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23.5	5.0
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	907.2	954.6
Mutual funds | Quoted Prices in Active Market (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	395.2	540.2
Mutual funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	512.0	414.4
Common/collective trusts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	792.7	664.9
Common/collective trusts | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	792.7	664.9
Venture capital, partnerships and other private investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	427.3	314.4
Venture capital, partnerships and other private investments [Member] | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	427.3	314.4
Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	110.6	103.1
Insurance contracts | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 110.6	$ 103.1