Revenue (Disaggregated Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 3,200.4	$ 2,733.1	$ 2,322.0
Lease revenue	(107.3)	(96.1)	(100.4)
(Gains) losses from futures contracts included in product sales revenue	(155.2)	(143.2)	(53.2)
Affiliate management fee revenue	(22.2)	(21.2)	(21.2)
Total revenue from contracts with customers under ASC 606	2,915.7	2,472.6	2,147.2
Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	1,875.8	1,798.9	1,743.3
Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	1,302.4	913.0	557.5
Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenues	22.2	21.2	21.2
Transferred over Time | Transportation
Disaggregation of Revenue [Line Items]
Revenues	1,227.0	1,144.5	1,048.3
Transferred over Time | Terminalling
Disaggregation of Revenue [Line Items]
Revenues	160.8	117.1	131.1
Transferred over Time | Storage
Disaggregation of Revenue [Line Items]
Revenues	246.8	286.1	321.7
Transferred over Time | Ancillary services
Disaggregation of Revenue [Line Items]
Revenues	133.9	155.1	141.8
Transferred over Time | Lease revenue
Disaggregation of Revenue [Line Items]
Revenues	107.3	96.1	100.4
Transferred over Time | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	1,875.8	1,798.9	1,743.3
Transferred at Point in Time | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	1,302.4	913.0	557.5
Operating Segments | Refined Products
Disaggregation of Revenue [Line Items]
Revenues	2,587.9	2,108.8	1,721.1
Lease revenue	(30.1)	(20.4)	(23.7)
(Gains) losses from futures contracts included in product sales revenue	(148.4)	(127.2)	(56.8)
Affiliate management fee revenue	(6.6)	(6.4)	(6.3)
Total revenue from contracts with customers under ASC 606	2,402.8	1,954.8	1,634.3
Operating Segments | Refined Products | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	1,408.2	1,338.5	1,190.4
Operating Segments | Refined Products | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	1,173.1	763.9	524.4
Operating Segments | Refined Products | Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenues	6.6	6.4	6.3
Operating Segments | Refined Products | Transferred over Time | Transportation
Disaggregation of Revenue [Line Items]
Revenues	1,000.2	915.7	742.9
Operating Segments | Refined Products | Transferred over Time | Terminalling
Disaggregation of Revenue [Line Items]
Revenues	111.2	100.1	109.6
Operating Segments | Refined Products | Transferred over Time | Storage
Disaggregation of Revenue [Line Items]
Revenues	151.1	177.1	199.3
Operating Segments | Refined Products | Transferred over Time | Ancillary services
Disaggregation of Revenue [Line Items]
Revenues	115.6	125.2	114.9
Operating Segments | Refined Products | Transferred over Time | Lease revenue
Disaggregation of Revenue [Line Items]
Revenues	30.1	20.4	23.7
Operating Segments | Refined Products | Transferred over Time | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	1,408.2	1,338.5	1,190.4
Operating Segments | Refined Products | Transferred at Point in Time | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	1,173.1	763.9	524.4
Operating Segments | Crude Oil
Disaggregation of Revenue [Line Items]
Revenues	618.6	630.1	607.5
Lease revenue	(77.2)	(75.7)	(76.7)
(Gains) losses from futures contracts included in product sales revenue	(6.8)	(16.0)	3.6
Affiliate management fee revenue	(15.6)	(14.8)	(14.9)
Total revenue from contracts with customers under ASC 606	519.0	523.6	519.5
Operating Segments | Crude Oil | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	473.7	466.2	559.5
Operating Segments | Crude Oil | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	129.3	149.1	33.1
Operating Segments | Crude Oil | Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenues	15.6	14.8	14.9
Operating Segments | Crude Oil | Transferred over Time | Transportation
Disaggregation of Revenue [Line Items]
Revenues	226.8	228.8	305.4
Operating Segments | Crude Oil | Transferred over Time | Terminalling
Disaggregation of Revenue [Line Items]
Revenues	49.6	17.0	21.5
Operating Segments | Crude Oil | Transferred over Time | Storage
Disaggregation of Revenue [Line Items]
Revenues	101.8	114.8	129.0
Operating Segments | Crude Oil | Transferred over Time | Ancillary services
Disaggregation of Revenue [Line Items]
Revenues	18.3	29.9	26.9
Operating Segments | Crude Oil | Transferred over Time | Lease revenue
Disaggregation of Revenue [Line Items]
Revenues	77.2	75.7	76.7
Operating Segments | Crude Oil | Transferred over Time | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	473.7	466.2	559.5
Operating Segments | Crude Oil | Transferred at Point in Time | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	129.3	149.1	33.1
Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(6.1)	(5.8)	(6.6)
Lease revenue	0.0	0.0	0.0
(Gains) losses from futures contracts included in product sales revenue	0.0	0.0	0.0
Affiliate management fee revenue	0.0	0.0	0.0
Total revenue from contracts with customers under ASC 606	(6.1)	(5.8)	(6.6)
Intersegment Eliminations | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	(6.1)	(5.8)	(6.6)
Intersegment Eliminations | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Transferred over Time | Transportation
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Transferred over Time | Terminalling
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Transferred over Time | Storage
Disaggregation of Revenue [Line Items]
Revenues	(6.1)	(5.8)	(6.6)
Intersegment Eliminations | Transferred over Time | Ancillary services
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Transferred over Time | Lease revenue
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0
Intersegment Eliminations | Transferred over Time | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenues	(6.1)	(5.8)	(6.6)
Intersegment Eliminations | Transferred at Point in Time | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenues	$ 0.0	$ 0.0	$ 0.0