Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ (18.0)	$ (56.9)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	114.7	111.8
Stock-based compensation	7.1	6.4
Change in fair value of catalyst obligations	4.9	10.0
Deferred income taxes	(8.1)	(9.4)
Non-cash change in inventory repurchase obligations	(40.7)	8.0
Non-cash lower of cost or market inventory adjustment	0.0	(405.6)
Change in fair value of contingent consideration	50.1	29.5
Pension and other post-retirement benefit costs	11.9	12.8
Loss (gain) on sale of assets	0.1	(0.6)
Changes in operating assets and liabilities:
Accounts receivable	(538.0)	(358.0)
Due to/from affiliates	(10.2)	5.1
Inventories	(388.4)	(220.6)
Prepaid and other current assets	(161.5)	(79.6)
Accounts payable	682.3	291.0
Accrued expenses	537.1	638.1
Deferred revenue	12.9	(25.8)
Other assets and liabilities	(13.3)	(23.8)
Net cash provided by (used in) operating activities	242.9	(67.6)
Cash flows from investing activities:
Expenditures for property, plant and equipment	(116.9)	(36.1)
Expenditures for deferred turnaround costs	(82.2)	(16.8)
Expenditures for other assets	(25.0)	(6.3)
Net cash used in investing activities	(224.1)	(59.2)
Cash flows from financing activities:
Contributions from PBF LLC	16.0	10.0
Payments on financing leases	(3.0)	(3.5)
Proceeds from insurance premium financing	47.3	48.9
Deferred financing costs and other	(0.1)	0.5
Net cash provided by financing activities	56.3	53.1
Net change in cash and cash equivalents	75.1	(73.7)
Cash and cash equivalents, beginning of period	1,305.7	1,570.1
Cash and cash equivalents, end of period	1,380.8	1,496.4
Non-cash activities:
Accrued and unpaid capital expenditures	119.7	42.2
Assets acquired or remeasured under operating and financing leases	23.9	(152.8)
Cash paid during the period for:
Interest (net of capitalized interest of $4.1 million and $2.2 million in 2022 and 2021, respectively)	33.9	38.9
Income taxes	0.1	0.1
Rail Term Loan [Member]
Cash flows from financing activities:
Repayments of PBF Rail Term Loan	0.0	(1.8)
Members
Cash flows from financing activities:
Distributions to members	$ (3.9)	$ (1.0)