Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenues	$ 4,913.2	$ 5,260.0
Cost and expenses:
Cost of products and other	4,263.0	6,033.4
Operating expenses (excluding depreciation and amortization expense as reflected below)	460.2	507.5
Depreciation and amortization expense	104.7	105.4
Cost of sales	4,827.9	6,646.3
General and administrative expenses (excluding depreciation and amortization expense as reflected below)	42.9	78.2
Depreciation and amortization expense	3.4	2.9
Change in fair value of contingent consideration	29.5	(53.0)
Gain on sale of assets	(0.6)	0.0
Total cost and expenses	4,903.1	6,674.4
Income (loss) from operations	10.1	(1,414.4)
Other income (expense):
Interest expense, net	(69.6)	(36.5)
Change in fair value of catalyst obligations	(10.0)	11.7
Debt extinguishment costs	0.0	(22.2)
Other non-service components of net periodic benefit cost	2.0	1.0
Income (loss) before income taxes	(67.5)	(1,460.4)
Income tax (benefit) expense	(10.6)	14.2
Net income (loss)	(56.9)	(1,474.6)
Less: net income attributable to noncontrolling interests	0.2	0.0
Net income (loss) attributable to PBF Holding Company LLC	$ (57.1)	$ (1,474.6)