Employee Benefit Plans (Components of Net Periodic Benefit Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011
Pension Benefits U.S. Plans [Member]
Service cost	$ 3.7	$ 3.3	$ 6.6	$ 7.5
Interest cost	7.4	8.1	16.2	14.8
Expected return on plan assets	(8.8)	(9.1)	(18.2)	(18.0)
Amortization of prior service credit	0	(0.1)	(0.2)	(0.1)
Amortization of actuarial losses	10.1	11.9	23.8	21.9
Curtailments	0	0		0	0
Net periodic benefit costs	12.4	14.1	28.2	26.1
Pension Benefits Non-U.S. Plans [Member]
Service cost	4.5	4.2	8.3	9.0
Interest cost	9.7	10.3	20.4	19.5
Expected return on plan assets	(9.8)	(10.5)	(20.8)	(19.6)
Amortization of prior service credit	(0.4)	(0.3)	(0.6)	(0.8)
Amortization of actuarial losses	4.4	3.6	7.1	8.8
Curtailments	0	0		0	0
Net periodic benefit costs	8.4	7.3	14.4	16.9
Postretirement Benefits [Member]
Service cost	0.5	0.3	0.6	1.0
Interest cost	1.4	1.1	2.2	2.9
Expected return on plan assets	0	(0.3)	(0.6)	0
Amortization of prior service credit	(3.3)	(2.5)	(4.9)	(6.6)
Amortization of actuarial losses	1.0	0.6	1.1	2.0
Curtailments	(1.0)	0		(1.0)	0
Net periodic benefit costs	$ (1.4)	$ (0.8)	$ (1.6)	$ (1.7)