Leases (Lessee, Operating Lease, Disclosure) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Fixed lease expense	$ 30.8	$ 33.7	$ 33.5
Short-term lease expense	2.0	1.7	1.3
Variable lease expense	9.5	10.2	18.9
Total lease expense	42.3	45.6	53.7
Current lease liability	31.0	25.8
Long-term lease liability	116.9	147.3
Right-of-use asset	149.4	174.2
Operating cash flows for operating leases	$ 42.7	$ 45.7
Weighted average remaining lease term (years)	6 years	7 years
Weighted average discount rate	3.40%	3.40%
Third Party Leases
Lessee, Lease, Description [Line Items]
Fixed lease expense	$ 20.9	$ 21.0	19.2
Short-term lease expense	2.0	1.7	1.3
Variable lease expense	1.9	3.4	4.1
Total lease expense	24.8	26.1	24.6
Current lease liability	21.2	17.8
Long-term lease liability	82.1	102.8
Right-of-use asset	104.9	121.7
Operating cash flows for operating leases	$ 25.2	$ 26.2
Weighted average remaining lease term (years)	6 years	7 years
Weighted average discount rate	3.00%	3.00%
Seabrook Logistics, LLC (“Seabrook”) | Equity Method Investee | Seabrook Lease
Lessee, Lease, Description [Line Items]
Fixed lease expense	$ 9.9	$ 12.7	14.3
Short-term lease expense	0.0	0.0	0.0
Variable lease expense	7.6	6.8	14.8
Total lease expense	17.5	19.5	$ 29.1
Current lease liability	9.8	8.0
Long-term lease liability	34.8	44.5
Right-of-use asset	44.5	52.5
Operating cash flows for operating leases	$ 17.5	$ 19.5
Weighted average remaining lease term (years)	6 years	7 years
Weighted average discount rate	4.20%	4.10%