CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net sales	$ 362.1	$ 335.9
Cost of goods and services sold	238.8	226.2
Gross profit	123.3	109.7
Research and development	9.4	7.5
Selling, general and administrative expenses	58.1	55.2
Other expense (income) (Note 11)	25.8	(0.8)
Operating profit	30.0	47.8
Interest expense	2.5	4.1
Interest income	0.3	0.4
Income before income taxes	27.8	44.1
Income tax expense	6.9	12.5
Equity in net income of affiliated companies	1.2	1.3
Net income	$ 22.1	$ 32.9
Net income per share:
Basic (in dollars per share)	$ 0.31	$ 0.46
Diluted (in dollars per share)	$ 0.30	$ 0.45
Weighted average shares outstanding:
Basic (in shares)	72.5	71.7
Diluted (in shares)	74.1	73.3
Dividends declared per share	$ 0.12	$ 0.11