Leases And Commitments (Warranty Accrual) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Leases And Commitments [Abstract]
Beginning Balance	$ 127.7	$ 120.5
Accruals for warranties issued during the period	115.2	117.5
Settlements made	(125.4)	(113.5)
Additions due to acquisitions	21.3	9.6
Amount transferred to Apex joint venture		(6.1)
Effect of foreign currency translation	(1.9)	(0.3)
Ending Balance	$ 136.9	$ 127.7