Restructuring Costs (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Number of Operating Groups in 2011				3
Number of Operating Groups in 2012				2
Number of Global Business Units in 2011				13
Number of Global Business Units in 2012				9
Number of Business Segments	6
Cash paid for restructuring activities		$ 9.5	$ 6.0	$ 31.9	$ 26.5
Project Renewal [Member]
Number of Operating Groups in 2011				3
Number of Operating Groups in 2012				2
Number of Global Business Units in 2011				13
Number of Global Business Units in 2012				9
Expected completion year				Jun. 30, 2015
Project Renewal Estimated Restructuring Charges - Low [Member] [Domain]
Expected cumulative restructuring charges				90
Project Renewal Estimated Restructuring Charges High [Member] [Domain]
Expected cumulative restructuring charges				100
Project Renewal Expected Cash Costs Low [Member] [Domain]
Cash expected to be paid for restructuring				75
Project Renewal Expected Cash Costs - High [Member] [Domain]
Cash expected to be paid for restructuring				90
Renewal Expansion, Low Estimate [Domain]
Expected cumulative restructuring charges				250
Cash expected to be paid for restructuring				225
Renewal Expansion, High Estimate [Domain]
Expected cumulative restructuring charges				275
Cash expected to be paid for restructuring				250
Renewal Expansion Phase [Domain]
Employee Related Cash Restructuring Costs As A Percentage Of Total Cash Restructuring Costs				80.00%
Renewal Combined, Estimated Charges, Low [Domain]
Expected cumulative restructuring charges				340
Cash expected to be paid for restructuring				300
Renewal Combined, Estimated Charges, High [Domain]
Expected cumulative restructuring charges				375
Cash expected to be paid for restructuring				340
European Transformation Plan Minimum Charges [Member] | Employee Related Cash Costs [Member]
Expected cumulative restructuring charges				35
European Transformation Plan Maximum Charges [Member] | Employee Related Cash Costs [Member]
Expected cumulative restructuring charges				$ 40
European Transformation Plan [Member]
Expected completion year				Dec. 31, 2012
European Transformation Plan [Member] | Forecast of EMEA Operating Margin [Member]
Increase in operating margin				10.00%