Leases (Schedule Of Supplemental Cash Flow And Other Information) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 33.5
Operating cash flows from finance leases	0.7
Financing cash flows from finance leases	2.1
Right-of-use assets obtained in exchange for lease liabilities, Operating leases	55.9
Right-of-use assets obtained in exchange for lease liabilities, Finance leases	$ 2.0