Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ (24.4)	$ 824.1
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	289.3	280.7
Stock-based compensation	21.0	18.9
Change in fair value of catalyst obligations	0.0	(1.2)
Deferred income taxes	(2.7)	0.1
Non-cash change in inventory repurchase obligations	0.0	8.5
Change in fair value of contingent consideration, net	(3.3)	(32.9)
Pension and other post-retirement benefit costs	26.0	23.9
Loss (gain) on sale of assets	0.7	(1.4)
Changes in operating assets and liabilities:
Accounts receivable	(142.5)	99.5
Due to/from affiliates	(16.1)	(9.5)
Inventories	318.9	(68.7)
Prepaid and other current assets	(20.1)	(36.4)
Accounts payable	195.4	(202.1)
Accrued expenses	(204.2)	(322.5)
Deferred revenue	(43.1)	37.3
Other assets and liabilities	(19.5)	(19.4)
Net cash provided by operating activities	375.4	598.9
Cash flows from investing activities:
Expenditures for property, plant, and equipment	(191.4)	(442.0)
Expenditures for deferred turnaround costs	(400.2)	(268.0)
Expenditures for other assets	(24.8)	(35.0)
Proceeds from sale of assets	0.0	4.4
Net cash used in investing activities	(616.4)	(740.6)
Cash flows from financing activities:
Contributions from PBF LLC	135.0	635.0
Payment of contingent consideration	0.0	(80.1)
Payments on financing leases	(6.1)	(5.8)
Proceeds from insurance premium financing	46.1	35.0
Deferred financing costs and other, net	(0.1)	(0.5)
Net cash used in financing activities	(168.7)	(515.4)
Net change in cash and cash equivalents	(409.7)	(657.1)
Cash and cash equivalents, beginning of period	1,760.8	2,153.9
Cash and cash equivalents, end of period	1,351.1	1,496.8
Non-cash activities:
Distribution of assets to PBF Energy Company LLC	(8.8)	844.1
Accrued and unpaid capital expenditures	68.3	108.6
Assets acquired or remeasured under operating and financing leases	182.9	174.8
Cash paid during the period for:
Interest (net of capitalized interest of $9.1 million and $28.1 million in 2024 and 2023, respectively)	68.6	46.0
Income taxes	0.4	1.4
Members
Cash flows from financing activities:
Distributions to members	$ (343.6)	$ (1,099.0)