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	Dec. 31, 2010
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]
Service cost		0	0	0
Interest cost		14.3	16.1	17.5
Expected return on plan assets		(18.8)	(20.8)	(19.7)
Settlements, curtailments and other		5.7	0	0
Amortization of unrecognized prior service benefit		(0.7)	(0.7)	(0.7)
Amortization of unrecognized loss		8.1	6.5	6.6
Net periodic benefit cost		8.6	1.1	3.7
Non-U.S. Plans:
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost		9.1	9.1	7.4
Interest cost		17.2	17.8	17.6
Expected return on plan assets		(9.3)	(11.2)	(9.7)
Settlements, curtailments and other		0.5	(0.1)	0
Amortization of unrecognized prior service benefit		0	0	0
Amortization of unrecognized loss		1.2	0.8	0.8
Net periodic benefit cost		18.7	16.4	16.1
U.S. other postretirement benefit plans [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost		0.5	0.7	0.8
Interest cost		10.1	11.8	14.5
Expected return on plan assets		0	0	0
Settlements, curtailments and other		0	0	0
Amortization of unrecognized prior service benefit		(6.4)	(6.9)	(6.9)
Amortization of unrecognized loss		6.9	7.9	9.1
Net periodic benefit cost		11.1	13.5	17.5
Other post employment plans amortization of net losses expected in the next year	4.9
Amortization of net prior service cost expected in the next year	(6.4)
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Amortization of net (losses) expected in next year	$ 13.5