Retirement Benefit Plans - Net Periodic Benefit Cost (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Recognized net (gain) loss due to settlements		$ 5.7
U.S. Plans:
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Interest cost	11.6	14.3	16.1
Expected return on plan assets	(18.2)	(18.8)	(20.8)
Settlements, curtailments and other		5.7
Amortization of unrecognized prior service benefit	(0.8)	(0.7)	(0.7)
Amortization of unrecognized loss	8.2	8.1	6.5
Net periodic benefit cost	0.8	8.6	1.1
Non-U.S. Plans:
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	12.4	9.1	9.1
Interest cost	16.6	17.2	17.8
Expected return on plan assets	(11.0)	(9.3)	(11.2)
Settlements, curtailments and other	0.2	0.5	(0.1)
Amortization of unrecognized loss	5.3	1.2	0.8
Net periodic benefit cost	23.5	18.7	16.4
U.S. other postretirement benefit plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0.4	0.5	0.7
Interest cost	6.8	10.1	11.8
Amortization of unrecognized prior service benefit	(6.4)	(6.4)	(6.9)
Amortization of unrecognized loss	4.9	6.9	7.9
Net periodic benefit cost	5.7	11.1	13.5
Other post employment plans amortization of net losses expected in the next year	2.7
Amortization of net prior service cost expected in the next year	(6.4)
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Amortization of net (losses) expected in next year	$ 11.3