CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 639.0	$ 490.8
Accounts receivable, net	593.4	554.1
Short-term contract assets	43.5	38.5
Inventories, net	1,181.1	1,155.3
Prepaid expenses and other current assets	51.0	64.3
Total current assets	2,508.0	2,303.0
Property, plant and equipment, net	2,445.5	2,450.1
Goodwill	520.8	525.8
Other assets	332.8	355.7
Total assets	5,807.1	5,634.6
Current Liabilities:
Accounts payable	424.6	521.2
Short-term contract liabilities	114.3	78.7
Short-term debt and current portion of long-term debt	310.7	11.5
Other current liabilities	209.6	237.8
Total current liabilities	1,059.2	849.2
Long-term debt	1,390.0	1,387.4
Accrued postretirement benefits	307.5	312.5
Pension liabilities	694.3	731.5
Other long-term liabilities	163.5	160.8
Total liabilities	3,614.5	3,441.4
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-126,695,171 shares at March 31, 2020 and December 31, 2019; outstanding-126,626,938 shares at March 31, 2020 and 126,085,348 shares at December 31, 2019	12.7	12.7
Additional paid-in capital	1,592.1	1,618.0
Retained earnings	1,700.4	1,679.3
Treasury stock: 68,233 shares at March 31, 2020 and 609,823 shares at December 31, 2019	(0.8)	(18.2)
Accumulated other comprehensive loss, net of tax	(1,216.6)	(1,201.7)
Total ATI stockholders’ equity	2,087.8	2,090.1
Noncontrolling interests
Noncontrolling interests	104.8	103.1
Total Equity	2,192.6	2,193.2
Total Liabilities and Equity	$ 5,807.1	$ 5,634.6