Leases (Maturity Schedule) (Details) $ in Millions	Dec. 31, 2019 USD ($)
Operating Lease
2020	$ 44.5
2021	40.4
2022	35.3
2023	33.9
2024	29.7
Thereafter	132.2
Total lease payments	316.0
Less: interest	(52.0)
Right-of-use liability	264.0
Finance Lease
2020	17.1
2021	15.0
2022	15.8
2023	38.6
2024	11.7
Thereafter	124.9
Total lease payments	223.1
Less: interest	(103.8)
Finance lease, liability	119.3
Lease Liabilities Payments Due [Abstract]
2020	61.6
2021	55.4
2022	51.1
2023	72.5
2024	41.4
Thereafter	257.1
Total lease payments	539.1
Less amount representing interest	(155.8)
Total lease liabilities	$ 383.3