Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (47.8)	$ (30.2)
Adjustments to reconcile net loss to net cash flows used in operating activities
Depreciation and amortization	48.4	45.0
Impairment and other charges	0.0	0.1
Non-cash compensation	1.4	1.9
Amortization of deferred financing fees	1.2	0.9
Provision for inventory reserve	0.6	0.4
Change in allowance for doubtful accounts	0.4	(0.6)
Gain on disposal of property, equipment and other	(3.8)	(5.4)
Non-cash interest expense	7.1	0.0
Loss on debt extinguishment	1.2	0.0
Other	0.6	(0.4)
Changes in operating assets and liabilities:
Accounts receivable	(9.5)	9.5
Inventories	(2.0)	0.7
Prepaid expenses and other current and non-current assets	0.8	6.9
Accounts payable	(3.8)	(17.0)
Other current and non-current liabilities	(13.3)	(0.4)
Net cash flows (used in) provided by operating activities	(18.5)	11.4
Cash flows from investing activities:
Purchases of property and equipment	(27.7)	(28.8)
Proceeds from sale of property and equipment	6.4	6.6
Net cash flows used in investing activities	(21.3)	(22.2)
Cash flows from financing activities:
Proceeds from stock issuance, net of costs	0.6	(0.2)
Borrowings under New ABL Facility	62.0	0.0
Proceeds from issuance of 2030 Senior Notes and warrants	225.2	0.0
Payments on finance lease obligations	(10.6)	(10.2)
Proceeds from note payable	5.7	0.0
Payments of debt issuance costs	(8.5)	(0.5)
Change in financed payables	(2.8)	(3.4)
Other	(0.4)	(0.5)
Net cash flows used in financing activities	(34.5)	(14.8)
Net change in cash and cash equivalents and restricted cash	(74.3)	(25.6)
Cash and cash equivalents and restricted cash, beginning of period	91.6	112.5
Cash and cash equivalents and restricted cash, end of period	17.3	86.9
Cash paid during period for:
Income taxes paid, net of refunds	1.0	0.8
Interest	14.9	18.7
Supplemental schedule of non-cash activities:
Accrued capital expenditures	12.0	8.9
Non-cash interest expense (paid in kind)	7.1	0.0
New ABL Facility
Cash flows from financing activities:
Repayments on ABL Facility	(17.0)	0.0
Prior ABL Facility
Cash flows from financing activities:
Repayments on ABL Facility	(50.0)	0.0
2025 Senior Notes
Cash flows from financing activities:
Repayments of Senior Notes	(236.3)	0.0
2030 Senior Notes
Cash flows from financing activities:
Repayments of Senior Notes	$ (2.4)	$ 0.0