CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Income [Abstract]
Net sales	$ 1,192.3	$ 1,104.7	$ 1,055.7
Cost of goods and services sold	853.0	786.6	752.1
Gross profit	339.3	318.1	303.6
Research and development	29.1	23.9	19.9
Selling, general and administrative expenses	191.1	187.7	177.7
Restructuring and other items (Note 3)	9.5	15.8	8.5
Operating profit	109.6	90.7	97.5
Interest expense	18.2	16.8	15.2
Interest income	(1.3)	(0.6)	(0.8)
Income before income taxes	92.7	74.5	83.1
Income tax expense	23.5	13.6	13.5
Equity in net income of affiliated companies	6.3	4.4	3.0
Net income	$ 75.5	$ 65.3	$ 72.6
Basic	$ 2.24	$ 1.96	$ 2.21
Diluted	$ 2.16	$ 1.89	$ 2.12
Basic	33.7	33.3	32.8
Diluted	37.0	36.7	36.3
Dividends declared per share	$ 0.70	$ 0.66	$ 0.62