Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 984.6	$ 870.8	$ 1,873.9	$ 1,564.4
Cost and expenses:
Cost of goods sold	729.2	687.1	1,407.3	1,233.6
Selling and administrative expenses	106.0	92.2	213.5	177.9
Research and development expenses	8.5	7.3	16.3	14.3
Other income (loss), net	0.6	(1.2)	0.3	(2.0)
Earnings before interest and income taxes	140.3	85.4	236.5	140.6
Interest expense, net	6.5	4.9	13.0	10.0
Earnings before income taxes from continuing operations	133.8	80.5	223.5	130.6
Income tax expense (Note 8)	44.4	25.2	74.1	42.0
Income from continuing operations	89.4	55.3	149.4	88.6
Discontinued operations (Note 5)
Income (loss) from discontinued operations	3.6	(1.3)	3.6	(1.2)
Income tax (income) expense	0.2	(0.6)	0.2	(0.6)
Income (loss) from discontinued operations	3.4	(0.7)	3.4	(0.6)
Net income	92.8	54.6	152.8	88.0
Basic earnings per share attributable to common shares (Note 9)
Income from continuing operations (in dollars per share)	$ 1.42	$ 0.89	$ 2.39	$ 1.43
Income (loss) from discontinued operations (in dollars per share)	$ 0.06	$ (0.01)	$ 0.05	$ (0.01)
Basic Earnings per share (in dollars per share)	$ 1.48	$ 0.88	$ 2.44	$ 1.42
Diluted earnings per share attributable to common shares (Note 9)
Income from continuing operations (in dollars per share)	$ 1.39	$ 0.87	$ 2.34	$ 1.40
Income (loss) from discontinued operations (in dollars per share)	$ 0.06	$ (0.01)	$ 0.05	$ (0.01)
Diluted earnings per share (in dollars per share)	$ 1.45	$ 0.86	$ 2.39	$ 1.39
Average shares outstanding - in thousands (Note 9)
Basic (in shares)	62,419	61,449	62,166	61,293
Diluted (in shares)	63,797	62,701	63,483	62,425
Dividends declared and paid	11.3	10.6	22.5	21.1
Dividends declared and paid per share (in dollars per share)	$ 0.18	$ 0.17	$ 0.36	$ 0.34
Comprehensive Income
Net income	92.8	54.6	152.8	88.0
Other comprehensive income (loss)
Change in foreign currency translation, net of tax	(8.7)	1.4	(4.4)	5.0
Change in accrued post-retirement benefit liability, net of tax	0.8	0.7	1.6	1.4
Loss on hedging activities, net of tax	(0.1)	(0.1)	(0.2)	(0.2)
Other comprehensive income (loss)	(8.0)	2.0	(3.0)	6.2
Comprehensive income	$ 84.8	$ 56.6	$ 149.8	$ 94.2