Commitments And Contingencies (Schedule Of Gross Settlement And Defense Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Pre-tax cash payments, net	$ 44.9	$ 31.1	$ 41.5
Asbestos Commitments And Contingencies
Loss Contingencies [Line Items]
Settlement / indemnity costs incurred	40.6	35.3	45.5
Defense costs incurred	14.6	15.6	20.7
Total costs incurred	55.2	50.9	66.2
Settlement / indemnity payments	42.6	24.7	38.9
Defense payments	15.4	16.7	21.4
Insurance receipts	(13.1)	(10.3)	(18.8)
Pre-tax cash payments, net	$ 44.9	$ 31.1	$ 41.5