Employee Benefit Plans (Components of Net Periodic Benefit Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Benefits U.S. Plans [Member]
Service cost	$ 3.8	$ 3.1	$ 9.7	$ 11.3
Interest cost	7.4	8.2	24.4	22.2
Expected return on plan assets	(9.0)	(9.0)	(27.2)	(27.0)
Amortization of prior service credit	(0.1)	0	(0.2)	(0.2)
Amortization of transition asset	0	0		0	0
Amortization of actuarial losses	10.9	10.8	34.6	32.8
Settlements/curtailments	0	0		0	0
Net periodic benefit costs	13.0	13.1	41.3	39.1
Pension Benefits Non-U.S. Plans [Member]
Service cost	4.5	3.6	11.9	13.5
Interest cost	10.0	9.9	30.3	29.5
Expected return on plan assets	(9.6)	(10.5)	(31.3)	(29.2)
Amortization of prior service credit	(0.3)	(0.5)	(1.1)	(1.1)
Amortization of transition asset	0	0.1		0	0.1
Amortization of actuarial losses	4.4	3.2	10.3	13.2
Settlements/curtailments	(0.7)	0		(0.7)	0
Net periodic benefit costs	8.3	5.8	20.2	25.2
Postretirement Benefits [Member]
Service cost	0.5	0.5	1.5	1.5
Interest cost	1.4	1.5	4.9	4.3
Expected return on plan assets	0	(0.6)	(1.6)	0
Amortization of prior service credit	(3.3)	(4.0)	(12.0)	(9.9)
Amortization of transition asset	0	0		0	0
Amortization of actuarial losses	1.0	0.7	2.5	3.0
Settlements/curtailments	0			(1.0)	0
Net periodic benefit costs	$ (0.4)	$ (1.9)	$ (4.7)	$ (2.1)