Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 382.0	$ 141.6
Accounts receivable, net	527.8	545.3
Short-term contract assets	51.2	0.0
Inventories, net	1,211.1	1,176.1
Prepaid expenses and other current assets	74.6	52.7
Total Current Assets	2,246.7	1,915.7
Property, plant and equipment, net	2,475.0	2,495.7
Goodwill	534.7	531.4
Other assets	245.4	242.6
Total Assets	5,501.8	5,185.4
Liabilities and Stockholders’ Equity
Accounts payable	498.8	420.1
Accrued liabilities	260.1	282.4
Short-term contract liabilities	71.4	0.0
Short-term debt and current portion of long-term debt	6.6	10.1
Total Current Liabilities	836.9	712.6
Long-term debt	1,535.5	1,530.6
Accrued postretirement benefits	318.4	317.8
Pension liabilities	730.0	697.0
Deferred income taxes	12.9	9.7
Long-term contract liabilities	7.3	0.0
Other long-term liabilities	69.2	73.2
Total Liabilities	3,510.2	3,340.9
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 December 31, 2018 and 2017; outstanding-125,684,396 shares at December 31, 2018 and 125,857,197 shares at December 31, 2017	12.7	12.7
Additional paid-in capital	1,615.4	1,596.3
Retained earnings	1,422.0	1,184.3
Treasury stock: 1,010,775 shares at December 31, 2018 and 837,974 shares at December 31, 2017	(30.6)	(26.1)
Accumulated other comprehensive loss, net of tax	(1,133.8)	(1,027.8)
Total ATI Stockholders’ Equity	1,885.7	1,739.4
Noncontrolling interests
Noncontrolling Interests	105.9	105.1
Total Stockholders’ Equity	1,991.6	1,844.5
Total Liabilities and Stockholders’ Equity	$ 5,501.8	$ 5,185.4