Warranty Obligations (Schedule Of Warranty Cost And Accrual Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Warranty Obligations
Balance at beginning of year	$ 23.0	$ 18.0
Expenses for new warranties	28.5	30.5
Adjustments to existing accruals	2.6	0.7
Claims paid	(27.1)	(26.2)
Balance at end of year	$ 27.0	$ 23.0