Retirement Benefit Plans - Expected Benefit Payments (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	$ 6.5
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	6.5
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	6.4
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	6.2
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	6.3
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	28.9
Defined Benefit Plan, Expected Future Benefit Payments	60.8
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	5.7
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	6.7
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	6.4
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	7.2
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	7.2
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	41.8
Defined Benefit Plan, Expected Future Benefit Payments	$ 75.0