Pensions and Postretirement Benefits Other Than Pensions (Schedule of Fair Values of Company's Pension Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Receivables and payables, net	$ (7.1)		$ (0.7)
Derivative [Member]
Defined benefit plan, fair value of pension plan assets	0		(0.1)
Derivative [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Derivative [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0		(0.1)
Derivative [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Real Estate Funds [Member]
Defined benefit plan, fair value of pension plan assets	19.3	[1]	29.2	[1]
Real Estate Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[1]	0	[1]
Real Estate Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0	[1]	0	[1]
Real Estate Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	19.3	[1]	29.2	[1]
Other Defined Benefit [Member]
Defined benefit plan, fair value of pension plan assets	58.1	[2]	54.4	[2]
Other Defined Benefit [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[2]	0	[2]
Other Defined Benefit [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0	[2]	0	[2]
Other Defined Benefit [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	58.1	[2]	54.4	[2]
Cash and Cash Equivalents [Member]
Defined benefit plan, fair value of pension plan assets	42.0		31.3
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	4.1		5.8
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	37.9		25.5
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Registered mutual funds, equity specialty [Member]
Defined benefit plan, fair value of pension plan assets	6.0	[3]	5.9	[3]
Registered mutual funds, equity specialty [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	6.0	[3]	5.9	[3]
Registered mutual funds, equity specialty [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0	[3]	0	[3]
Registered mutual funds, equity specialty [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0	[3]	0	[3]
Equity Securities [Member]
Defined benefit plan, fair value of pension plan assets	832.8		941.1
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	6.0		5.9
Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	826.8		935.2
Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Commingled funds, equity specialty [Member]
Defined benefit plan, fair value of pension plan assets	826.8	[3]	935.2	[3]
Commingled funds, equity specialty [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[3]	0	[3]
Commingled funds, equity specialty [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	826.8	[3]	935.2	[3]
Commingled funds, equity specialty [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0	[3]	0	[3]
Fixed Income Investments [Member]
Defined benefit plan, fair value of pension plan assets	1,834.1		2,255.0
Fixed Income Investments [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	32.3		33.8
Fixed Income Investments [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	1,779.2		2,199.3
Fixed Income Investments [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	22.6		21.9
Fixed Income Investments [Member] | Registered mutual funds, fixed income specialty [Member]
Defined benefit plan, fair value of pension plan assets	32.3	[4]	33.8	[4]
Fixed Income Investments [Member] | Registered mutual funds, fixed income specialty [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	32.3	[4]	33.8	[4]
Fixed Income Investments [Member] | Registered mutual funds, fixed income specialty [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0	[4]	0	[4]
Fixed Income Investments [Member] | Registered mutual funds, fixed income specialty [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0	[4]	0	[4]
Fixed Income Investments [Member] | U.S. Government and Agency Obligations [Member]
Defined benefit plan, fair value of pension plan assets	702.9		817.0
Fixed Income Investments [Member] | U.S. Government and Agency Obligations [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Fixed Income Investments [Member] | U.S. Government and Agency Obligations [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	702.9		817.0
Fixed Income Investments [Member] | U.S. Government and Agency Obligations [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Fixed Income Investments [Member] | Corporate and Non-U.S. Bonds [Member]
Defined benefit plan, fair value of pension plan assets	748.4	[5]	890.2	[5]
Fixed Income Investments [Member] | Corporate and Non-U.S. Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[5]	0	[5]
Fixed Income Investments [Member] | Corporate and Non-U.S. Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	748.4	[5]	890.2	[5]
Fixed Income Investments [Member] | Corporate and Non-U.S. Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0	[5]	0	[5]
Fixed Income Investments [Member] | Asset-Backed And Mortgage-Backed Securities [Member]
Defined benefit plan, fair value of pension plan assets	59.4		53.0
Fixed Income Investments [Member] | Asset-Backed And Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Fixed Income Investments [Member] | Asset-Backed And Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	59.4		53.0
Fixed Income Investments [Member] | Asset-Backed And Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0		0
Fixed Income Investments [Member] | Commingled Funds - Fixed Income Specialty [Member]
Defined benefit plan, fair value of pension plan assets	268.5	[4]	439.1	[4]
Fixed Income Investments [Member] | Commingled Funds - Fixed Income Specialty [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[4]	0	[4]
Fixed Income Investments [Member] | Commingled Funds - Fixed Income Specialty [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	268.5	[4]	439.1	[4]
Fixed Income Investments [Member] | Commingled Funds - Fixed Income Specialty [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	0	[4]	0	[4]
Fixed Income Investments [Member] | Other Fixed Income [Member]
Defined benefit plan, fair value of pension plan assets	22.6	[6]	21.9	[6]
Fixed Income Investments [Member] | Other Fixed Income [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	0	[6]	0	[6]
Fixed Income Investments [Member] | Other Fixed Income [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	0	[6]	0	[6]
Fixed Income Investments [Member] | Other Fixed Income [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	22.6	[6]	21.9	[6]
Gross of receivables and payables [Member]
Defined benefit plan, fair value of pension plan assets	2,786.3		3,310.9
Gross of receivables and payables [Member] | Fair Value, Inputs, Level 1 [Member]
Defined benefit plan, fair value of pension plan assets	42.4		45.5
Gross of receivables and payables [Member] | Fair Value, Inputs, Level 2 [Member]
Defined benefit plan, fair value of pension plan assets	2,643.9		3,159.9
Gross of receivables and payables [Member] | Fair Value, Inputs, Level 3 [Member]
Defined benefit plan, fair value of pension plan assets	100.0		105.5
Net of receivables and payables [Member]
Defined benefit plan, fair value of pension plan assets	$ 2,779.2		$ 3,310.2

[1] This class includes private equity funds that invest in real estate, including funds of funds.

[2] This investment comprises the Company’s non-significant, non-U.S. pension plan assets. It mostly includes insurance contracts.

[3] (a)This class comprises commingled and registered mutual funds that focus on equity investments. It includes both indexed and actively managed funds

[4] This class comprises commingled and registered mutual funds that focus on fixed income securities.

[5] .

[6] This class includes group annuity and guaranteed interest contracts.