Pension and Other Post-Retirement Benefit Plans (Pension Plan Assets Measured At Fair Value) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Level 3
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	$ 117.0	$ 95.7	$ 86.1
U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	576.8	462.5	406.0
U.S. | Cash
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	32.4	35.7
U.S. | Large cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	169.9	127.0
U.S. | Mid cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	12.1	9.4
U.S. | Small cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	98.0	73.7
U.S. | International companies
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	142.9	116.4
U.S. | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	64.9	55.6
U.S. | Limited partnerships
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	52.1	40.1
U.S. | Emerging market bonds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	4.5	4.6
U.S. | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	459.8	366.8
U.S. | Level 1 | Cash
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	32.4	35.7
U.S. | Level 1 | Large cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	169.9	127.0
U.S. | Level 1 | Mid cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	12.1	9.4
U.S. | Level 1 | Small cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	98.0	73.7
U.S. | Level 1 | International companies
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	142.9	116.4
U.S. | Level 1 | Emerging market bonds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	4.5	4.6
U.S. | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total plan assets
U.S. | Level 3
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	117.0	95.7
U.S. | Level 3 | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	64.9	55.6
U.S. | Level 3 | Limited partnerships
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	52.1	40.1
International
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	400.8	327.9	362.1
International | Cash
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1.1	1.0
International | Large cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	60.7	47.2
International | Mid cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0.1	0.1
International | International companies
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	231.9	182.3
International | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	107.0	97.3
International | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	293.8	230.6
International | Level 1 | Cash
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	1.1	1.0
International | Level 1 | Large cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	60.7	47.2
International | Level 1 | Mid cap
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	0.1	0.1
International | Level 1 | International companies
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	231.9	182.3
International | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	107.0	97.3
International | Level 2 | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total plan assets	$ 107.0	$ 97.3