Commitments and Contingencies (Product Warranty Liability) (Details) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Balance at beginning of period	$ 632.0	$ 620.2
Reductions for payments	(99.4)	(122.0)
Accruals for warranties issued during the current period	101.3	132.4
Changes to accruals related to preexisting warranties	(0.2)	0.3
Translation	4.2	(5.8)
Balance at end of period	$ 637.9	$ 625.1