CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net loss	$ (39.7)	$ (38.9)
Adjustments to reconcile net loss to cash provided by operating activities
Share-based compensation expense	3.4	2.2
Depreciation and amortization (including amounts in cost of revenue)	32.9	36.0
Gain on lease modification	(8.7)	0.0
Amortization of deferred financing costs and debt discount	7.7	6.9
Net loss on repurchase or extinguishment of debt	0.3	0.0
Loss from equity investees	2.3	9.4
Realized and unrealized losses (gains) on investments	0.2	(15.8)
Asset impairment expense	0.1	1.8
Deferred income tax expense (benefit)	0.5	(5.3)
Other operating activities, net	(2.0)	2.1
Changes in assets and liabilities:
Accounts receivable	91.8	(25.7)
Contract assets	12.3	46.5
Other current assets	(0.1)	(0.6)
Inventory	1.9	(3.5)
Other assets	8.4	15.1
Accounts payable	(57.2)	(60.2)
Accrued liabilities	12.2	9.9
Contract liabilities	(44.4)	54.9
Other current liabilities	2.1	(11.2)
Other liabilities	(14.9)	2.9
Cash provided by operating activities	9.1	26.5
Cash flows from investing activities
Purchase of property, plant and equipment	(19.0)	(18.4)
Proceeds from disposal of property, plant and equipment	10.1	1.6
Loans to equity method investee	(2.3)	(4.0)
Purchase of investments	(2.0)	0.0
Proceeds from sale of equity method investments	0.0	59.2
Cash paid for asset acquisitions	(1.2)	0.0
Other investing activities	0.5	0.7
Cash (used in) provided by investing activities	(13.9)	39.1
Cash flows from financing activities
Proceeds from rights offering and private placement, net of issuance costs	33.2	0.0
Proceeds from lines of credit	70.0	87.0
Payments on lines of credit	(125.0)	(94.7)
Proceeds from other debt obligations, net of deferred financing costs	24.8	4.9
Principal payments for and repurchases of other debt obligations	(28.0)	(37.1)
Purchase of preferred stock	0.0	(7.0)
Payments to non-controlling interests and redeemable non-controlling interests related to sale of equity method investment	(0.3)	(15.9)
Dividend payments	(1.2)	(2.2)
Other financing activities	0.0	(0.3)
Cash used in financing activities	(26.5)	(65.3)
Effects of exchange rate changes on cash, cash equivalents and restricted cash	(1.7)	(0.2)
Net (decrease) increase in cash and cash equivalents, including restricted cash	(33.0)	0.1
Cash, cash equivalents and restricted cash, beginning of year	82.3	82.2
Cash, cash equivalents and restricted cash, end of year	$ 49.3	$ 82.3