CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 154.6	$ 229.6
Accounts receivable, net	538.6	452.1
Inventories, net	1,076.2	1,037.0
Prepaid expenses and other current assets	30.7	47.8
Total current assets	1,800.1	1,766.5
Property, plant and equipment, net	2,492.3	2,498.9
Goodwill	643.5	641.9
Other assets	250.4	262.7
Total assets	5,186.3	5,170.0
Current Liabilities:
Accounts payable	355.5	294.3
Accrued liabilities	278.0	309.3
Short term debt and current portion of long-term debt	67.5	105.1
Total current liabilities	701.0	708.7
Long-term debt	1,876.6	1,771.9
Accrued postretirement benefits	308.0	317.7
Pension liabilities	682.9	827.9
Deferred income taxes	20.1	15.6
Other long-term liabilities	83.3	83.4
Total liabilities	3,671.9	3,725.2
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-109,695,171 shares at June 30, 2017 and December 31, 2016; outstanding-108,879,682 shares at June 30, 2017 and 108,925,254 shares at December 31, 2016	11.0	11.0
Additional paid-in capital	1,191.3	1,188.8
Retained earnings	1,303.8	1,277.1
Treasury stock: 815,489 shares at June 30, 2017 and 769,917 shares at December 31, 2016	(25.4)	(28.0)
Accumulated other comprehensive loss, net of tax	(1,067.2)	(1,093.7)
Total ATI stockholders’ equity	1,413.5	1,355.2
Noncontrolling interests
Noncontrolling interests	100.9	89.6
Total Equity	1,514.4	1,444.8
Total Liabilities and Equity	$ 5,186.3	$ 5,170.0

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.