Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net loss	$ (16.2)	$ (72.5)
Less: Income (loss) from discontinued operations, net of tax	50.4	(63.6)
(Loss) income from continuing operations	(66.6)	(8.9)
Adjustments to reconcile net loss to cash provided by operating activities
Share-based compensation expense	1.3	1.7
Depreciation and amortization	13.8	13.4
Amortization of deferred financing costs and debt discount	8.3	7.0
Loss on extinguishment of debt	12.4	9.2
Loss from equity investees	1.9	2.7
Asset impairment expense	2.2	0.1
Net realized and unrealized gains on investments	0.0	(72.5)
Deferred income taxes	1.3	0.0
Other operating activities	(4.6)	1.2
Changes in assets and liabilities, net of acquisitions:
Accounts receivable	(67.9)	23.3
Costs and recognized earnings in excess of billings on uncompleted contracts	(6.1)	(7.2)
Other current assets	0.5	(8.2)
Other assets	5.5	3.1
Accounts payable	24.6	6.5
Accrued liabilities	25.3	12.0
Billings in excess of costs and recognized earnings on uncompleted contracts	39.6	17.5
Other current liabilities	(26.0)	(17.1)
Other liabilities	(0.2)	8.1
Cash used in operating activities	(34.7)	(8.1)
Cash provided by discontinued operating activities	34.3	55.9
Cash (used in) provided by continuing operating activities	(0.4)	47.8
Cash flows from investing activities
Purchase of property, plant and equipment	(8.0)	(10.0)
Proceeds from disposal of property, plant and equipment	1.1	0.6
Sale of investments	0.0	85.5
Cash received from dispositions, net of cash disposed	71.2	144.0
Cash paid for acquisitions, net of cash acquired	(128.5)	0.0
Other investing activities	1.4	3.5
Cash (used in) provided by investing activities	(62.8)	223.6
Cash (used in) provided by discontinued investing activities	31.6	(84.7)
Cash (used in) provided by continuing investing activities	(31.2)	138.9
Cash flows from financing activities
Proceeds from debt obligations	528.2	(0.7)
Principal payments on debt obligations	(446.1)	(154.2)
Cash received by subsidiary to issue preferred stock	10.0	10.0
Redemption of preferred stock	(10.4)	0.0
Transactions with noncontrolling interests	(6.9)	(62.1)
Other financing activities	(1.2)	(4.2)
Cash (used in) provided by financing activities	73.6	(211.2)
Cash (used in) provided by discontinued financing activities	(7.6)	(11.4)
Cash (used in) provided by continuing financing activities	66.0	(222.6)
Effects of exchange rate changes on cash, cash equivalents and restricted cash	(0.7)	0.6
Net increase (decrease) in cash and cash equivalents, including cash classified within assets held for sale	33.7	(35.3)
Less: Net increase (decrease) in cash and cash equivalents from discontinued operations	58.3	(35.7)
Net change in cash, cash equivalents and restricted cash	(24.6)	0.4
Cash, cash equivalents and restricted cash, beginning of period	45.3	24.7
Cash, cash equivalents and restricted cash, end of period	$ 20.7	$ 25.1