CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (25.8)	$ (139.7)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	105.4	92.3
Deferred income taxes	(9.9)	(49.5)
Provision for doubtful accounts	4.8	5.5
Gain on sale of operating assets, net	(0.3)	(0.1)
Amortization of debt issuance costs and discount	0.9	0.8
Change in fair value of derivative instruments	(0.7)
Impairment losses on intangibles		128.1
Non-cash compensation	5.9	10.4
Other non-cash items	(0.1)
Changes in operating assets and liabilities:
Receivables and other operating assets	0.1	(13.7)
Payables and accruals	6.3	7.1
Net cash provided by operating activities	86.6	41.2
Cash flows from investing activities:
Capital expenditures	(123.6)	(123.8)
Other investing activities	0.1	0.2
Net cash used in investing activities	(123.5)	(123.6)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	44.0	130.0
Payments on long-term debt and finance lease obligations	(10.0)	(9.7)
Reimbursement of finance lease payments	1.7
Purchase of shares	(1.5)	(45.9)
Net cash provided by financing activities	34.2	74.4
Decrease in cash and cash equivalents	(2.7)	(8.0)
Cash and cash equivalents, beginning of period	23.4	31.0
Cash and cash equivalents, end of period	20.7	23.0
Supplemental disclosures of cash flow information:
Cash paid during the periods for interest, net	38.6	30.2
Cash paid during the periods for income taxes	0.1	9.8
Cash received during the periods for refunds of income taxes		4.8
Non-cash operating activities:
Operating lease additions	2.9	0.9
Non-cash investing and financing activities:
Finance lease additions	5.1	4.3
Excise tax payable	0.2
Capital expenditures within accounts payable and accruals	$ 33.7	$ 29.8