Consolidated Balance Sheets - USD ($) $ in Millions		Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents		$ 72.9	$ 72.5
Short-term investments		201.0	30.0
Receivables:
Trade receivables – net		142.2	116.7
Other		7.3	6.1
Inventories		223.6	219.6
Prepaid expenses and other current assets1	[1]	10.9	56.7
Total current assets		657.9	501.6
Property, plant and equipment – net		518.6	495.4
Deferred tax assets – net	[1],[2]	170.9	163.3
Intangible assets – net		26.7	30.5
Goodwill		37.2	37.2
Other assets	[1]	22.1	19.6
Total		1,433.4	1,247.6
Current liabilities:
Accounts payable		69.6	76.7
Accrued salaries, wages and related expenses		42.8	39.8
Other accrued liabilities		46.7	52.7
Short-term capital leases		0.1	0.1
Total current liabilities		159.2	169.3
Net liabilities of Salaried VEBA		18.2	19.0
Deferred tax liabilities		2.2	2.1
Long-term liabilities		71.2	87.5
Long-term debt	[1]	368.5	194.6
Total liabilities		619.3	472.5
Commitments and contingencies
Stockholders' equity:
Preferred stock, 5,000,000 shares authorized at both September 30, 2016 and December 31, 2015; no shares were issued and outstanding at September 30, 2016 and December 31, 2015		0.0	0.0
Common stock, par value $0.01, 90,000,000 shares authorized at both September 30, 2016 and at December 31, 2015; 22,330,955 shares issued and 17,923,218 shares outstanding at September 30, 2016; 22,291,180 shares issued and 18,053,747 shares outstanding at December 31, 2015		0.2	0.2
Additional paid in capital	[2]	1,044.3	1,037.3
Retained earnings	[2]	58.7	15.8
Treasury stock, at cost, 4,407,737 shares at September 30, 2016 and 4,237,433 shares at December 31, 2015, respectively		(260.3)	(246.5)
Accumulated other comprehensive loss		(28.8)	(31.7)
Total stockholders' equity		814.1	775.1
Total		$ 1,433.4	$ 1,247.6

[1] See Note 1 for discussion of our adoption of ASU 2015-03 and ASU 2015-17 (as defined in Note 1).

[2] See Note 4 and Note 6 for discussion of our adoption of ASU 2016-09 (as defined in Note 1).