Segment Data PP&E (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 1,602.7	$ 1,587.6
Less: accumulated depreciation	(512.9)	(484.3)
Property, plant and equipment, net	1,089.8	$ 1,103.3
Depreciation expense	28.6
Operating Segments [Member] | Refining [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment	1,213.6
Less: accumulated depreciation	(391.8)
Property, plant and equipment, net	821.8
Depreciation expense	21.8
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment	345.2
Less: accumulated depreciation	(96.3)
Property, plant and equipment, net	248.9
Depreciation expense	4.9
Corporate, other and eliminations [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment	43.9
Less: accumulated depreciation	(24.8)
Property, plant and equipment, net	19.1
Depreciation expense	$ 1.9