CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) [Abstract]
Net sales	$ 316.3	$ 295.4
Cost of goods and services sold	215.2	207.4
Gross profit	101.1	88.0
Research and development	8.3	6.9
Selling, general and administrative expenses	51.3	50.6
Restructuring and other items (Note 2)	(0.2)	1.7
Operating profit	41.7	28.8
Interest expense	4.3	4.7
Interest income	(0.4)	(0.2)
Income before income taxes	37.8	24.3
Income tax expense	9.8	6.1
Equity in net income of affiliated companies	1.2	1.4
Net income	$ 29.2	$ 19.6
Net income per share:
Basic (in dollars per share)	$ 0.86	$ 0.59
Diluted (in dollars per share)	$ 0.81	$ 0.56
Weighted average shares outstanding:
Basic (in shares)	33.9	33.4
Diluted (in shares)	37.1	36.8
Dividends declared per share (in dollars per share)	$ 0.18	$ 0.17