Warranty Obligations (Schedule Of Warranty Cost And Accrual Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Product Warranties Disclosures [Abstract]
Balance at beginning of period	$ 15.9	$ 23.8	$ 15.4	$ 25.7
Expense for new warranties	4.8	4.2	18.7	19.8
Adjustments to existing accruals		0.8	0.6	6.7
Claims paid	(4.6)	(9.3)	(18.6)	(32.7)
Balance at end of period	$ 16.1	$ 19.5	$ 16.1	$ 19.5