CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Statement [Abstract]
Net sales	$ 346.8	$ 339.4
Cost of goods and services sold	240.4	227.7
Gross profit	106.4	111.7
Research and development	10.0	9.1
Selling, general and administrative expenses	56.4	59.1
Other expense	0.7	0.2
Operating profit	39.3	43.3
Loss on debt extinguishment	0	0.2
Interest expense	4.0	4.6
Interest income	0.4	0.6
Income before income taxes	35.7	39.1
Income tax expense	9.8	8.6
Equity in net income of affiliated companies	1.2	1.2
Net income	$ 27.1	$ 31.7
Net income per share:
Basic (in dollars per share)	$ 0.38	$ 0.46
Diluted (in dollars per share)	$ 0.38	$ 0.45
Weighted average shares outstanding:
Basic (in shares)	70.6	69.0
Diluted (in shares)	72.3	70.3
Dividends declared per share	$ 0.10	$ 0.10