Financial Instruments - Income Statement (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Foreign currency contracts	Dec. 31, 2012 Foreign currency contracts	Jun. 30, 2013 Foreign currency contracts Sales	Jun. 30, 2012 Foreign currency contracts Sales	Jun. 30, 2013 Foreign currency contracts Sales	Jun. 30, 2012 Foreign currency contracts Sales	Jun. 30, 2013 Foreign currency contracts Cost of goods sold	Jun. 30, 2012 Foreign currency contracts Cost of goods sold	Jun. 30, 2013 Foreign currency contracts Cost of goods sold	Jun. 30, 2012 Foreign currency contracts Cost of goods sold	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Foreign currency contracts SG&A expense	Jun. 30, 2012 Foreign currency contracts SG&A expense	Jun. 30, 2013 Net investment hedge contracts	Dec. 31, 2012 Net investment hedge contracts	Jun. 30, 2013 Net investment hedge contracts Interest expense	Jun. 30, 2012 Net investment hedge contracts Interest expense	Jun. 30, 2013 Net investment hedge contracts Interest expense	Jun. 30, 2012 Net investment hedge contracts Interest expense
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net [Abstract]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ (23.6)	$ (37.2)	$ (8.9)	$ (3.5)																					$ (28.0)	$ (54.5)
Gain (loss) expected to be reclassified in one year or less	(8.8)		(8.8)																						0
Accumulated other comprehensive income (loss), cumulative changes in net gain (loss) from cash flow hedges, before tax	(36.9)	(58.0)
Derivatives Designated As Net Investment Hedges Under Topic 815 Abstract
Gain (loss) reclassified from accumulated OCI into net income, effective portion, net					(0.3)	1.2	0.9	1.5	(4.6)	0.7	(6.0)	1.1	(0.1)	0	(0.1)	0
Gain (loss) recognized in net income, ineffective portion and amount excluded from effectiveness testing, net													$ 0.1	$ 0	$ 0.2	$ 0	$ (0.4)	$ 0	$ (0.7)	$ 0	$ 0	$ 0	$ 0	$ 0			$ 0.4	$ (3.1)	$ (0.3)	$ (2.2)