Retirement Benefit Plans (Details 9) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation	$ 172.4
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	33.2
Assets:
Total Assets	2,107.4	3,290.6
Pension Plan, Defined Benefit [Member]
Assets:
Total Assets	1,762.4	2,870.0
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	1,762.4
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	225.6
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	420.3
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	190.0
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	68.8
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	43.3
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0.4
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	68.3
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	110.5
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	311.1
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	71.8
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	111.2
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	28.2
Risk Parity	89.1
Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	23.8
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	612.5
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	35.8
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	412.6
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	68.8
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	43.3
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	28.2
Risk Parity	0
Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	23.8
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	1,047.9
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	189.8
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	7.7
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	190.0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0.4
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	68.3
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	110.5
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	311.1
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	81.0
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Risk Parity	89.1
Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	102.0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	71.8
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	30.2
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Risk Parity	0
Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member]
Assets:
Total Assets	345.0	420.6
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	345.0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	24.6
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0.4
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	13.9
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	44.5
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	3.4
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	2.0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	81.6
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	103.7
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	70.9
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Risk Parity	0
Foreign Pension Plan, Defined Benefit [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	58.4
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	13.9
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	44.5
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Risk Parity	0
Foreign Pension Plan, Defined Benefit [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	286.6
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	24.6
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0.4
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	3.4
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	2.0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	81.6
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	103.7
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	70.9
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Risk Parity	0
Foreign Pension Plan, Defined Benefit [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Cash and cash equivalents [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Government and agency securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Asset backed securities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - equities [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | International Equity Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Common collective funds - fixed income [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Other Pension Plan [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Limited Partnerships [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Mutual Funds [Member]
Assets:
Total Assets	0
Foreign Pension Plan, Defined Benefit [Member] | Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Real Estate Funds [Member]
Assets:
Total Assets	$ 0