CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement [Abstract]
Net sales	$ 303.8	$ 293.6	$ 944.9	$ 896.9
Cost of goods and services sold	213.4	212.2	654.7	642.9
Gross profit	90.4	81.4	290.2	254.0
Research and development	8.2	7.7	24.6	21.9
Selling, general and administrative expenses	53.7	45.7	159.5	142.7
Restructuring and other items (Note 2)	2.2	1.9	2.5	6.8
Operating profit	26.3	26.1	103.6	82.6
Loss on debt extinguishment	0	0	11.6	0
Interest expense	4.4	4.5	13.2	13.8
Interest income	0.5	0.4	1.5	0.9
Income before income taxes	22.4	22.0	80.3	69.7
Income tax expense	9.0	6.6	25.5	17.9
Equity in net income of affiliated companies	1.4	1.5	4.8	4.9
Net income	$ 14.8	$ 16.9	$ 59.6	$ 56.7
Net income per share:
Basic (in dollars per share)	$ 0.43	$ 0.50	$ 1.75	$ 1.69
Diluted (in dollars per share)	$ 0.43	$ 0.49	$ 1.70	$ 1.62
Weighted average shares outstanding:
Basic (in shares)	34.1	33.8	34.0	33.6
Diluted (in shares)	34.7	37.0	36.2	37.0
Dividends declared per share (in dollars per share)	$ 0	$ 0	$ 0.36	$ 0.34