Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Consolidated Statements of Comprehensive Income
Net Sales	$ 857.0	$ 889.3
Cost and expenses:
Cost of goods sold	669.4	678.1
Selling and administrative expenses	108.8	107.5
Research and development expenses	9.4	7.8
Other income, net	(0.7)	(0.3)
Earnings before interest and income taxes	70.1	96.2
Interest expense, net	8.3	6.5
Earnings before income taxes from continuing operations	61.8	89.7
Income tax expense (Note 8)	6.5	29.7
Income from continuing operations	55.3	60.0
Discontinued operations (Note 5)
Loss from discontinued operations	(0.1)
Loss from discontinued operations	(0.1)
Net income	55.2	60.0
Basic earnings per share attributable to common shares
Income from continuing operations (in dollars per share)	$ 0.87	$ 0.96
Basic Earnings per share (in dollars per share)	$ 0.87	$ 0.96
Diluted earnings per share attributable to common shares
Income from continuing operations (in dollars per share)	$ 0.85	$ 0.94
Diluted earnings per share (in dollars per share)	$ 0.85	$ 0.94
Average shares outstanding - in thousands
Basic (in shares)	63,253	61,913
Diluted (in shares)	64,719	63,229
Dividends declared and paid	12.8	11.2
Dividends declared and paid per share (in dollars per share)	$ 0.20	$ 0.18
Comprehensive Income
Net income	55.2	60.0
Other comprehensive income (loss) (Note 19)
Change in foreign currency translation, net of tax	(10.3)	4.3
Change in accrued post-retirement benefit liability, net of tax	1.4	0.8
Loss on hedging activities, net of tax	(0.1)	(0.1)
Other comprehensive income (loss)	(9.0)	5.0
Comprehensive Income	$ 46.2	$ 65.0