Leases (Schedule Of Maturity Of Lease Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
2021, Operating Leases	$ 34.3
2022, Operating Leases	30.8
2023, Operating Leases	24.7
2024, Operating Leases	18.6
2025, Operating Leases	11.9
Thereafter, Operating Leases	15.7
Total future minimum lease payments, Operating Leases	136.0
Less: imputed interest, Operating Leases	(8.9)
Total operating lease liabilities	127.1	$ 124.8
Less: current obligations, Operating Leases	(31.2)	(28.6)
Long-term lease obligation, Operating Leases	95.9	96.2
2021, Finance Leases	2.8
2022, Finance Leases	2.1
2023, Finance Leases	1.5
2024, Finance Leases	1.3
2025, Finance Leases	0.9
Thereafter, Finance Leases	0.9
Total future minimum lease payments, Finance Leases	9.5
Less: imputed interest, Finance Leases	(1.5)
Total finance lease liabilities	8.0	9.9
Less: current obligations, Finance Leases	(2.3)	(2.1)
Long-term lease obligation, Finance Leases	$ 5.7	$ 7.8