CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Net sales	$ 341.8	$ 303.8	$ 1,025.7	$ 944.9
Cost of goods and services sold	236.3	213.4	697.6	654.7
Gross profit	105.5	90.4	328.1	290.2
Research and development	9.6	8.2	28.2	24.6
Selling, general and administrative expenses	56.1	53.7	174.9	159.5
Restructuring and other items (Note 2)	0.1	2.2	(0.5)	2.5
Operating profit	39.7	26.3	125.5	103.6
Loss on debt extinguishment	0	0	0.2	11.6
Interest expense	4.4	4.4	13.1	13.2
Interest income	0.4	0.5	1.4	1.5
Income before income taxes	35.7	22.4	113.6	80.3
Income tax expense	10.6	9.0	29.5	25.5
Equity in net income of affiliated companies	1.7	1.4	4.6	4.8
Net income	$ 26.8	$ 14.8	$ 88.7	$ 59.6
Net income per share:
Basic (in dollars per share)	$ 0.38	$ 0.22	$ 1.28	$ 0.88
Diluted (in dollars per share)	$ 0.37	$ 0.21	$ 1.25	$ 0.85
Weighted average shares outstanding:
Basic (in shares)	69.8	68.3	69.4	68.0
Diluted (in shares)	71.4	69.4	70.9	72.3
Dividends declared per share	$ 0.1	$ 0	$ 0.29	$ 0.18