Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 269.5	$ 1,026.8
Accounts receivable, net	603.6	528.2
Inventories, net	1,472.8	1,322.1
Prepaid expenses and other current assets	136.2	73.7
Total Current Assets	2,482.1	2,950.8
Property, plant and equipment, net	2,961.8	2,874.1
Cost in excess of net assets acquired	780.4	727.9
Other assets	358.3	345.7
Total Assets	6,582.6	6,898.5
Liabilities and Stockholders’ Equity
Accounts payable	556.7	471.8
Accrued liabilities	323.2	315.8
Deferred income taxes	62.2	3.5
Short-term debt and current portion of long-term debt	17.8	419.9
Total Current Liabilities	959.9	1,211.0
Long-term debt	1,509.1	1,527.4
Accrued postretirement benefits	415.8	442.4
Pension liabilities	739.3	368.2
Deferred income taxes	80.9	206.6
Other long-term liabilities	156.2	148.2
Total Liabilities	3,861.2	3,903.8
Redeemable noncontrolling interest	12.1	0
ATI Stockholders’ Equity:
Preferred stock, par value $0.10: authorized-50,000,000 shares; issued-none	0	0
Common stock, par value $0.10: authorized-500,000,000 shares; issued-109,695,171 shares at December 31, 2014 and 2013; outstanding-108,710,914 shares at December 31, 2014 and 107,983,360 shares at December 31, 2013	11.0	11.0
Additional paid-in capital	1,164.2	1,185.9
Retained earnings	2,398.9	2,490.1
Treasury stock: 984,257 shares at December 31, 2014 and 1,711,811 shares at December 31, 2013	(44.3)	(79.6)
Accumulated other comprehensive loss, net of tax	(931.4)	(713.2)
Total ATI Stockholders’ Equity	2,598.4	2,894.2
Noncontrolling interests
Noncontrolling Interests	110.9	100.5
Total Stockholders’ Equity	2,709.3	2,994.7
Total Liabilities and Stockholders’ Equity	$ 6,582.6	$ 6,898.5