CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 425.6	$ 743.9
Accounts receivable, net	719.8	625.0
Short-term contract assets	87.6	59.1
Inventories, net	1,317.5	1,247.5
Prepaid expenses and other current assets	102.4	62.2
Total current assets	2,652.9	2,737.7
Property, plant and equipment, net	1,705.5	1,665.9
Goodwill	227.2	227.2
Other assets	335.8	354.3
Total assets	4,921.4	4,985.1
Current Liabilities:
Accounts payable	524.5	524.8
Short-term contract liabilities	160.9	163.6
Short-term debt and current portion of long-term debt	316.8	31.9
Other current liabilities	243.4	256.8
Total current liabilities	1,245.6	977.1
Long-term debt	1,854.0	2,147.7
Accrued postretirement benefits	167.2	175.2
Pension liabilities	37.9	39.7
Other long-term liabilities	148.8	164.9
Total liabilities	3,453.5	3,504.6
ATI Stockholders' Equity:
Preferred stock, par value $0.10: authorized-50,000,000 shares; issued-none	0.0	0.0
Common stock, par value $0.10: authorized-500,000,000 shares; issued-133,796,517 shares at June 30, 2024 and 132,300,971 shares at December 31, 2023; outstanding-124,463,814 shares at June 30, 2024 and 126,879,099 shares at December 31, 2023	13.4	13.2
Additional paid-in capital	1,712.9	1,697.1
Retained earnings (loss)	78.4	(70.1)
Treasury stock: 9,332,703 shares at June 30, 2024 and 5,421,872 shares at December 31, 2023	(359.3)	(184.0)
Accumulated other comprehensive loss, net of tax	(90.2)	(83.2)
Total ATI stockholders’ equity	1,355.2	1,373.0
Noncontrolling interests
Noncontrolling interests	112.7	107.5
Total Equity	1,467.9	1,480.5
Total Liabilities and Equity	$ 4,921.4	$ 4,985.1