Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net sales	$ 353.7	$ 305.1	$ 685.3	$ 568.1
Cost of sales	266.7	226.7	515.3	423.6
Gross margin	87.0	78.4	170.0	144.5
Selling, general and administrative expenses	29.7	29.6	62.6	61.0
Research and technology expenses	7.9	8.3	16.5	15.7
Other operating (income) expense			(5.7)	3.5
Operating income	49.4	40.5	96.6	64.3
Interest expense, net	2.9	7.1	7.1	13.7
Non-operating expense			4.9
Income before income taxes and equity in earnings of affiliated companies	46.5	33.4	84.6	50.6
Provision for income taxes	9.3	10.6	21.5	12.1
Income before equity in earnings of affiliated companies	37.2	22.8	63.1	38.5
Equity in earnings of affiliated companies	0.2	0.3	0.7	0.4
Net income	$ 37.4	$ 23.1	$ 63.8	$ 38.9
Basic net income per common share: (in dollars per share)	$ 0.38	$ 0.24	$ 0.65	$ 0.40
Diluted net income per common share: (in dollars per share)	$ 0.37	$ 0.23	$ 0.63	$ 0.39
Weighted average common shares outstanding:
Basic (in shares)	98.6	97.5	98.4	97.4
Diluted (in shares)	100.7	99.7	100.5	99.6