Leases (Schedule Of Supplemental Balance Sheet Information) (Details) $ in Millions	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease right-of-use assets	$ 117.5
Current operating lease liabilities	28.6
Non-current operating lease liabilities	96.2
Total operating lease liabilities	124.8
Property, at cost	18.3
Less - accumulated depreciation and amortization	9.9
Net property	8.4
Current obligations of finance leases	2.1
Finance leases, net of current obligations	7.8
Total finance lease liabilities	$ 9.9
Weighted average remaining lease term, Operating leases	5 years
Weighted average remaining lease term, Finance leases	5 years 1 month 6 days
Weighted average discount rate, Operating leases	3.30%
Weighted average discount rate, Finance leases	7.00%