Segments and Related Information - Schedule of Major Product Category Sales (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Major product category sales
Sales	$ 453.7		$ 1,146.3	$ 1,748.2
Gain (loss) from unconsolidated affiliates				3.8
Adjusted EBITDA	41.0	$ 77.0	124.7	136.7
Depreciation and amortization	29.8	32.6	61.3	65.6
Effect of LIFO liquidation and Inventory write-down	(32.1)	(2.6)	34.4	(40.6)
Asset Impairment Charges	0.7	16.2	6.7	27.9
Interest expense	30.6	33.1	59.9	65.4
Unrealized (gain) loss on derivatives	1.2	12.2	(30.4)	14.8
Non-recurring charges			(1.2)
Non-cash equity based compensation	7.0	2.3	4.1	5.7
Income tax expense from continuing operations	0.2	0.3	0.7	0.2
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	3.6	(16.8)	(10.8)	(0.4)
(Gain) loss on debt extinguishment	$ 0.0	$ (0.3)	$ 0.0	(0.7)
Gain on sale of unconsolidated affiliate				$ (1.2)
Product Concentration Risk [Member]
Major product category sales
Sales, percentage	100.00%	100.00%	100.00%	100.00%
Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 232.7	$ 344.4	$ 559.6	$ 696.6
Sales, percentage	51.30%	38.40%	48.80%	39.80%
Product Concentration Risk [Member] | Fuel Product [Member]
Major product category sales
Sales	$ 221.0	$ 552.5	$ 586.7	$ 1,051.6
Sales, percentage	48.70%	61.60%	51.20%	60.20%
Lubricating Oils [Member] | Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 91.4	$ 152.5	$ 230.0	$ 304.6
Sales, percentage	20.10%	17.00%	20.10%	17.40%
Solvents [Member] | Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 47.3	$ 80.7	$ 124.4	$ 168.1
Sales, percentage	10.40%	9.00%	10.90%	9.60%
Waxes [Member] | Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 27.9	$ 31.6	$ 58.4	$ 62.5
Sales, percentage	6.20%	3.50%	5.00%	3.60%
Packaged and Synthetic Specialty Products [Member]
Major product category sales
Sales	$ 58.8	$ 60.7	$ 116.5	$ 120.6
Packaged and Synthetic Specialty Products [Member] | Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 58.8	$ 60.7	$ 116.5	$ 120.6
Sales, percentage	13.00%	6.80%	10.20%	6.90%
Other [Member]
Major product category sales
Sales	$ 173.9	$ 283.7	$ 443.1	$ 576.0
Other [Member] | Product Concentration Risk [Member] | Specialty Product [Member]
Major product category sales
Sales	$ 7.3	$ 18.9	$ 30.3	$ 40.8
Sales, percentage	1.60%	2.10%	2.60%	2.30%
Gasoline [Member] | Product Concentration Risk [Member] | Fuel Product [Member]
Major product category sales
Sales	$ 67.4	$ 183.8	$ 188.3	$ 341.4
Sales, percentage	14.90%	20.50%	16.40%	19.60%
Diesel [Member] | Product Concentration Risk [Member] | Fuel Product [Member]
Major product category sales
Sales	$ 98.6	$ 218.1	$ 252.4	$ 444.0
Sales, percentage	21.70%	24.30%	22.00%	25.40%
Jet fuel [Member] | Product Concentration Risk [Member] | Fuel Product [Member]
Major product category sales
Sales	$ 10.4	$ 40.7	$ 36.3	$ 61.3
Sales, percentage	2.30%	4.50%	3.20%	3.50%
Asphalt, Heavy Fuel Oils and Other [Member] | Product Concentration Risk [Member] | Fuel Product [Member]
Major product category sales
Sales	$ 44.6	$ 109.9	$ 109.7	$ 204.9
Sales, percentage	9.80%	12.30%	9.60%	11.70%
Oil and Gas, Refining and Marketing [Member]
Major product category sales
Sales	$ 453.7	$ 896.9	$ 1,146.3	$ 1,748.2
Oil and Gas, Refining and Marketing [Member] | Product Concentration Risk [Member]
Major product category sales
Sales	453.7	896.9	1,146.3	1,748.2
Operating Segments [Member] | Specialty Product [Member]
Major product category sales
Sales	243.9	368.8	588.2	743.8
Gain (loss) from unconsolidated affiliates				3.8
Adjusted EBITDA	56.1	55.1	120.6	113.5
Depreciation and amortization	10.1	12.2	21.9	23.7
Effect of LIFO liquidation and Inventory write-down	4.2	(0.4)	(18.0)	5.3
Asset Impairment Charges	0.0	0.0	1.5	0.0
Interest expense	0.0	0.0	0.0	0.0
Unrealized (gain) loss on derivatives	(0.4)	(7.6)	0.1	(8.1)
(Gain) loss on debt extinguishment		0.0		0.0
Gain on sale of unconsolidated affiliate				(1.2)
Operating Segments [Member] | Fuel Product [Member]
Major product category sales
Sales	225.8	564.9	599.5	1,075.0
Gain (loss) from unconsolidated affiliates				0.0
Adjusted EBITDA	1.9	50.2	41.1	76.1
Depreciation and amortization	17.8	18.5	35.6	38.2
Effect of LIFO liquidation and Inventory write-down	27.9	3.0	(16.4)	35.3
Asset Impairment Charges	0.1	0.1	0.1	11.8
Interest expense		4.3		7.1
Interest Income, Other	(0.4)		(2.1)
Unrealized (gain) loss on derivatives	1.6	(4.6)	30.3	(6.7)
(Gain) loss on debt extinguishment		0.0		0.0
Gain on sale of unconsolidated affiliate				0.0
Operating Segments [Member] | Corporate Segment [Member]
Major product category sales
Sales	0.0	0.0	0.0	0.0
Gain (loss) from unconsolidated affiliates				0.0
Adjusted EBITDA	(17.0)	(28.3)	(37.0)	(52.9)
Depreciation and amortization	1.9	1.9	3.8	3.7
Effect of LIFO liquidation and Inventory write-down	0.0	0.0	0.0	0.0
Asset Impairment Charges	0.6	16.1	5.1	16.1
Interest expense	31.0	28.8	62.0	58.3
Unrealized (gain) loss on derivatives	0.0	0.0	0.0	0.0
(Gain) loss on debt extinguishment		0.3		0.7
Gain on sale of unconsolidated affiliate				0.0
Eliminations [Member]
Major product category sales
Sales	(16.0)
Depreciation and amortization	0.0
Effect of LIFO liquidation and Inventory write-down	0.0
Asset Impairment Charges	0.0
Interest expense	0.0
Unrealized (gain) loss on derivatives	0.0
Eliminations [Member] | Eliminations [Member]
Major product category sales
Sales		(36.8)	(41.4)	(70.6)
Gain (loss) from unconsolidated affiliates				0.0
Adjusted EBITDA	0.0	0.0	0.0	0.0
Depreciation and amortization		0.0	0.0	0.0
Effect of LIFO liquidation and Inventory write-down		0.0	0.0	0.0
Asset Impairment Charges		0.0	0.0	0.0
Interest expense		0.0	0.0	0.0
Unrealized (gain) loss on derivatives		0.0	0.0	0.0
(Gain) loss on debt extinguishment		0.0		0.0
Gain on sale of unconsolidated affiliate				0.0
External Customers [Member]
Major product category sales
Sales	453.7	896.9	1,146.3	1,748.2
External Customers [Member] | Operating Segments [Member] | Specialty Product [Member]
Major product category sales
Sales	232.7	344.4	559.6	696.6
External Customers [Member] | Operating Segments [Member] | Fuel Product [Member]
Major product category sales
Sales	221.0	552.5	586.7	1,051.6
External Customers [Member] | Operating Segments [Member] | Corporate Segment [Member]
Major product category sales
Sales	0.0	0.0	0.0	0.0
External Customers [Member] | Eliminations [Member]
Major product category sales
Sales	0.0
External Customers [Member] | Eliminations [Member] | Eliminations [Member]
Major product category sales
Sales		0.0	0.0	0.0
Eliminations [Member]
Major product category sales
Sales	0.0	0.0	0.0	0.0
Eliminations [Member] | Operating Segments [Member] | Specialty Product [Member]
Major product category sales
Sales	11.2	24.4	28.6	47.2
Eliminations [Member] | Operating Segments [Member] | Fuel Product [Member]
Major product category sales
Sales	4.8	12.4	12.8	23.4
Eliminations [Member] | Operating Segments [Member] | Corporate Segment [Member]
Major product category sales
Sales	0.0	0.0	0.0	0.0
Eliminations [Member] | Eliminations [Member]
Major product category sales
Sales	$ (16.0)
Eliminations [Member] | Eliminations [Member] | Eliminations [Member]
Major product category sales
Sales		$ (36.8)	$ (41.4)	$ (70.6)