Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 537.0	$ 823.5
Restricted Cash, Current	0.0	0.1
Accounts receivable, net	395.3	585.5
Unbilled Receivables, Current	777.9	522.9
Inventory, net	1,891.7	1,767.3
Disposal Group, Including Discontinued Operation, Assets	100.6	0.0
Other current assets	58.0	52.5
Total current assets	3,760.5	3,751.8
Property, plant and equipment, net	1,947.9	2,084.2
Operating Lease, Right-of-Use Asset	79.0	92.1
Pension assets	49.4	33.5
Pension reversion assets	41.2	61.1
Deferred tax asset-non-current, net	0.1	0.1
Other assets	105.2	99.9
Total assets	6,762.8	6,950.1
Liabilities
Accounts payable	1,041.1	1,106.8
Accrued expenses	453.3	420.1
Profit sharing	59.0	15.7
Current portion of long-term debt	424.5	64.8
Operating Lease, Liability, Current	10.0	9.1
Advance payments, short-term	158.1	38.3
Contract with Customer, Liability, Current	270.3	192.6
Provision for Loss on Contracts	471.5	256.6
Deferred revenue and other deferred credits, short-term	75.4	49.6
Customer Advances and Deposits, Current	532.0	0.0
Disposal Group, Including Discontinued Operation, Liabilities	18.8	0.0
Other current liabilities	53.4	44.7
Total current liabilities	3,567.4	2,198.3
Long-term debt	3,969.7	4,018.7
Operating Lease, Liability, Noncurrent	69.8	84.3
Advance payments, long-term	181.0	301.9
Pension/OPEB obligation	24.9	30.3
Contract with Customer, Liability, Noncurrent	177.4	161.3
Provision for Loss on Contacts, Non Current	799.8	224.1
Deferred grant income liability — non-current	25.1	25.8
Deferred Tax Liabilities, Net, Noncurrent	7.8	9.1
Customer Advances or Deposits, Noncurrent	372.0	180.0
Deferred revenue and other deferred credits	46.7	76.7
Other non-current liabilities	137.2	135.5
Stockholders’ Equity (Deficit)
Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued	0.0	0.0
Additional paid-in capital	1,457.6	1,429.1
Accumulated other comprehensive loss	(100.1)	(89.6)
Retained (deficit) earnings	(1,523.5)	616.3
Treasury Stock, Value	(2,456.7)	(2,456.7)
Total stockholders' equity (deficit)	(2,621.5)	(499.7)
Noncontrolling interest	5.5	3.8
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(2,616.0)	(495.9)
Total liabilities and equity (deficit)	6,762.8	6,950.1
Goodwill	630.0	631.2
Intangible Assets, Net (Excluding Goodwill)	$ 149.5	$ 196.2
Preferred Stock, Par Value	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Class A [Member]
Stockholders’ Equity (Deficit)
Common stock	$ 1.2	$ 1.2
Common Stock, Par Value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued		116,054,291
Class B [Member]
Stockholders’ Equity (Deficit)
Common Stock, Par Value	$ 0	$ 0
Common Stock, Shares Authorized	0	0
Common Stock, Shares, Issued	0	0