Consolidated Statement of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net sales	$ 518.5	$ 567.0	$ 963.2	$ 1,098.1
Operating costs and expenses:
Cost of sales	461.5	418.0	849.9	805.2
Depreciation and amortization	24.9	20.6	50.5	39.2
Selling and administrative	35.9	35.0	76.8	70.2
Gain On Sale Or Impairment Of Long Lived Assets, Net	(0.5)	(0.7)	(0.5)	(0.7)
Other operating credits and charges, net	0.6	5.4	0.6	7.0
Total operating costs and expenses	522.4	478.3	977.3	920.9
Income (loss) from operations	(3.9)	88.7	(14.1)	177.2
Non-operating income (expense):
Interest expense, net of capitalized interest	(7.4)	(9.8)	(15.1)	(20.4)
Investment income	1.7	3.1	3.5	6.6
Other non-operating items	3.8	32.3	(0.5)	31.6
Total non-operating income (expense)	(1.9)	25.6	(12.1)	17.8
Income (loss) from continuing operations before taxes and equity in income of unconsolidated affiliates	(5.8)	114.3	(26.2)	195.0
Provision (benefit) for income taxes	(6.7)	24.3	(12.3)	47.2
Equity in income of unconsolidated affiliates	(1.2)	(4.1)	(1.8)	(11.3)
Income (loss) from continuing operations	2.1	94.1	(12.1)	159.1
Income from discontinued operations before taxes	0	0.2	0	0.5
Provision for income taxes	0	0	0	0.2
Income from discontinued operations	0	0.2	0	0.3
Net income (loss)	$ 2.1	$ 94.3	$ (12.1)	$ 159.4
Income (loss) per share of common stock (basic):
Income (loss) from continuing operations	$ 0.01	$ 0.67	$ (0.09)	$ 1.14
Income from discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.01
Net income (loss) per share	$ 0.01	$ 0.68	$ (0.09)	$ 1.15
Net income (loss) per share of common stock (diluted):
Income (loss) from continuing operations	$ 0.01	$ 0.65	$ (0.09)	$ 1.10
Income from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income (loss) per share	$ 0.01	$ 0.65	$ (0.09)	$ 1.10
Average shares of stock outstanding - basic	140.8	139.1	140.8	138.8
Average shares of stock outstanding - diluted	144.0	144.1	140.8	144.3