Derivatives and Hedging Transactions (Details 2) In Millions, unless otherwise specified	3 Months Ended				3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Mar. 31, 2013 Senior euro notes USD ($)	Mar. 31, 2013 Senior euro notes EUR (€)	Mar. 31, 2013 Cash Flow Hedges Derivatives designated as hedging instruments USD ($)	Mar. 31, 2012 Cash Flow Hedges Derivatives designated as hedging instruments USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments AOCI (equity) USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments AOCI (equity) USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments Cost of sales USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments Cost of sales USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments Selling, general and administrative expenses USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments Selling, general and administrative expenses USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments Selling, general and administrative expenses USD ($)	Mar. 31, 2013 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2012 Cash Flow Hedges Foreign currency forward contracts Derivatives not designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2013 Cash Flow Hedges Interest rate swap Derivatives designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2012 Cash Flow Hedges Interest rate swap Derivatives designated as hedging instruments Interest expense, net USD ($)	Mar. 31, 2013 Net Investment Hedge USD ($)	Mar. 31, 2012 Net Investment Hedge USD ($)	Sep. 30, 2012 Net Investment Hedge Foreign currency forward contracts EUR (€)
Impact on AOCI and earnings from derivative contracts
Unrealized gain (loss) recognized into AOCI (effective portion)									$ 3.6	$ (2.9)
Gain (loss) reclassified from AOCI into income (effective portion)					(1.0)	(0.1)	(0.3)	0.6			(0.3)	0.5	0.1									(0.7)	(0.7)
Loss recognized in income on derivative (ineffective portion)														(0.4)	(0.4)
Gain (loss) recognized in income																(7.5)	(6.1)	(6.3)	(3.9)	(1.2)	(2.2)
Net Investment Hedge:
Euro-denominated debt, carrying value			392	300
Euro-denominated notional amount of forward contract																										100
Revaluation gains (losses), net of tax	$ (2.2)	$ 7.6																						$ (2.2)	$ 7.6