Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 185.6	$ 169.5
Short-term investments	104.5	129.5
Receivables:
Trade, less allowance for doubtful receivables of $0.8 at March 31, 2014 and December 31, 2013	123.5	119.8
Other	11.7	13.4
Inventories	203.1	214.4
Prepaid expenses and other current assets	48.6	44.2
Total current assets	677.0	690.8
Property, plant, and equipment – net	436.7	429.3
Net asset of VEBAs	414.1	406.0
Deferred tax assets – net (including deferred tax liability relating to the VEBAs of $155.4 at March 31, 2014 and $152.4 at December 31, 2013)	59.2	69.1
Intangible assets – net	33.3	33.7
Goodwill	37.2	37.2
Other assets	108.5	104.8
Total	1,766.0	1,770.9
Current liabilities:
Accounts payable	72.3	62.9
Accrued salaries, wages, and related expenses	33.2	42.7
Other accrued liabilities	37.1	44.8
Short-term capital lease	0.2	0.2
Total current liabilities	142.8	150.6
Deferred tax liability	1.2	1.2
Long-term liabilities	149.0	146.4
Long-term debt	390.7	388.5
Total liabilities	683.7	686.7
Commitments and contingencies – Note 7
Stockholders’ equity:
Preferred stock, 5,000,000 shares authorized at both March 31, 2014 and December 31, 2013; no shares were issued and outstanding at March 31, 2014 and December 31, 2013	0	0
Common stock, par value $0.01, 90,000,000 shares authorized at both March 31, 2014 and at December 31, 2013; 21,171,683 shares issued and 18,030,600 shares outstanding at March 31, 2014; 21,103,700 shares issued and 18,147,017 shares outstanding at December 31, 2013	0.2	0.2
Additional paid in capital	1,023.6	1,023.1
Retained earnings	243.2	233.8
Treasury stock, at cost, 3,141,083 shares at March 31, 2014 and 2,956,683 shares at December 31, 2013, respectively	(164.9)	(152.2)
Accumulated other comprehensive loss	(19.8)	(20.7)
Total stockholders’ equity	1,082.3	1,084.2
Total	$ 1,766.0	$ 1,770.9