Restructuring Initiatives (Charges Reportable Under Business Segment 2005 and 2009 Restructuring Programs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	12 Months Ended							90 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2007	Dec. 31, 2006	Dec. 31, 2005	Jun. 30, 2012
Charges recorded to date	$ 37.2	$ 18.8	$ 56.0
Latin America [Member]
Charges recorded to date	10.7	4.6	15.3
North America [Member]
Charges recorded to date	3.9	0.8	4.7
Europe Middle East & Africa [Member]
Charges recorded to date	7.5	3.1	10.6
Asia Pacific [Member]
Charges recorded to date	4.0	0.7	4.7
Corporate [Member]
Charges recorded to date	11.1	9.6	20.7
2005 And 2009 Restructuring Programs [Member]
Charges recorded to date	(4.7)	(1.1)		3.4	41.3	130.3	17.8	109.3	192.1	51.6	540.0
Charges to be incurred on approved initiatives			1.5
Total expected charges on approved initiatives			541.5
2005 And 2009 Restructuring Programs [Member] | Latin America [Member]
Charges recorded to date	(3.6)	0.1		2.1	13.6	19.2	1.9	14.9	34.6	3.5	86.3
Charges to be incurred on approved initiatives			0
Total expected charges on approved initiatives			86.3
2005 And 2009 Restructuring Programs [Member] | North America [Member]
Charges recorded to date	(0.8)	(0.9)		(1.1)	17.8	26.7	(1.1)	7.0	61.8	6.9	116.3
Charges to be incurred on approved initiatives			0.3
Total expected charges on approved initiatives			116.6
2005 And 2009 Restructuring Programs [Member] | Europe Middle East & Africa [Member]
Charges recorded to date	(0.3)	(0.3)		1.9	(0.8)	52.5	20.7	69.8	52.0	12.7	208.2
Charges to be incurred on approved initiatives			1.4
Total expected charges on approved initiatives			209.6
2005 And 2009 Restructuring Programs [Member] | Asia Pacific [Member]
Charges recorded to date	0.2	(0.1)		(0.3)	(0.3)	19.9	(0.7)	4.9	14.2	22.4	60.2
Charges to be incurred on approved initiatives			(0.2)
Total expected charges on approved initiatives			60.0
2005 And 2009 Restructuring Programs [Member] | Corporate [Member]
Charges recorded to date	(0.2)	0.1		0.8	11.0	12.0	(3.0)	12.7	29.5	6.1	69.0
Charges to be incurred on approved initiatives			0
Total expected charges on approved initiatives			$ 69.0