CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statement of Income [Abstract]
Net sales	$ 293.6	$ 271.4	$ 896.9	$ 827.9
Cost of goods and services sold	212.2	196.7	642.9	587.8
Gross profit	81.4	74.7	254.0	240.1
Research and development	7.7	5.9	21.9	17.0
Selling, general and administrative expenses	45.7	44.9	144.8	137.2
Restructuring and other items (Note 2)	1.9	(1.4)	4.7	1.1
Operating profit	26.1	25.3	82.6	84.8
Interest expense	4.5	4.2	13.8	12.1
Interest income	(0.4)	(0.1)	(0.9)	(0.3)
Income before income taxes	22.0	21.2	69.7	73.0
Income tax expense	6.6	4.5	17.9	17.3
Equity in net income of affiliated companies	1.5	1.1	4.9	3.6
Net income	$ 16.9	$ 17.8	$ 56.7	$ 59.3
Net income per share
Basic	$ 0.50	$ 0.53	$ 1.69	$ 1.78
Diluted	$ 0.49	$ 0.51	$ 1.62	$ 1.70
Weighted average shares outstanding:
Basic	33.8	33.4	33.6	33.3
Diluted	37.0	36.7	37.0	36.7
Dividends declared per share	$ 0.00	$ 0.00	$ 0.34	$ 0.32