CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Activities:
Net income (loss)	$ 7.8	$ (3.5)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation and amortization	11.3	14.6
Equity compensation expense	3.5	2.1
Deferred income taxes	(5.9)	(7.4)
Equity in undistributed income of unconsolidated joint ventures	(0.3)	(0.1)
Dividends received from unconsolidated joint ventures	1.2	1.5
Other non-cash charges, net	0.1	0.1
Changes in assets and liabilities:
Accounts receivable	(2.8)	2.6
Proceeds from insurance related to operations	4.1	0.5
Contract assets	4.1	(7.9)
Inventories, net	1.3	3.9
Other current assets	0.4	5.4
Accounts payable and other accrued expenses	2.0	(8.8)
Other, net	1.3	(1.2)
Net cash provided by operating activities	28.1	1.8
Investing Activities:
Capital expenditures	(9.4)	(16.4)
Disposition of business	0.0	1.0
Net cash used in investing activities	(9.4)	(15.4)
Financing Activities:
Repayment of debt principal and finance lease obligations	(30.1)	(25.1)
Line of credit issuance costs	0.0	(1.8)
Payments of taxes related to net share settlement of equity awards	(1.1)	(2.5)
Share repurchases	(0.3)	0.0
Net cash used in financing activities	(31.5)	(29.4)
Effect of exchange rate fluctuations on cash	(2.0)	0.8
Net decrease in cash and cash equivalents	(14.8)	(42.2)
Cash and cash equivalents at beginning of period	131.7	235.9
Cash and cash equivalents at end of period	116.9	193.7
Supplemental Disclosures:
Accrued capital additions	5.4	2.1
Interest, net of amounts capitalized	0.5	3.5
Income taxes, net of refunds	$ 3.1	$ 4.0