Retirement Benefit Plans - Asset Allocations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 137.5
U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	100.00%	100.00%
Non-U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	100.00%	100.00%
Cash and Cash Equivalents [Member] | U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	9.00%	9.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	5.00%
Target allocation percentage of assets, fixed income securities, range maximum	15.00%
Cash and Cash Equivalents [Member] | Non-U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	4.00%	6.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	0.00%
Target allocation percentage of assets, fixed income securities, range maximum	7.00%
Fixed Income Funds [Member] | U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	54.00%	56.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	45.00%
Target allocation percentage of assets, fixed income securities, range maximum	65.00%
Fixed Income Funds [Member] | Non-U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	42.00%	38.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	37.00%
Target allocation percentage of assets, fixed income securities, range maximum	47.00%
Equity Securities [Member] | U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	37.00%	35.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	25.00%
Target allocation percentage of assets, fixed income securities, range maximum	45.00%
Equity Securities [Member] | Non-U.S. Plans:
Defined Benefit Plan, Assets for Plan Benefits [Abstract]
Asset allocations	54.00%	56.00%
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Target allocation percentage of assets, fixed income securities, range minimum	51.00%
Target allocation percentage of assets, fixed income securities, range maximum	61.00%