CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) [Abstract]
Net sales	$ 324.8	$ 307.9	$ 641.1	$ 603.3
Cost of goods and services sold	226.1	223.3	441.3	430.7
Gross profit	98.7	84.6	199.8	172.6
Research and development	8.2	7.3	16.5	14.2
Selling, general and administrative expenses	54.4	46.4	105.7	97.1
Restructuring and other items (Note 2)	0.5	3.1	0.3	4.8
Operating profit	35.6	27.8	77.3	56.5
Loss on debt extinguishment	11.6	0	11.6	0
Interest expense	4.6	4.6	8.8	9.3
Interest income	0.6	0.3	1.0	0.5
Income before income taxes	20.0	23.5	57.9	47.7
Income tax expense	6.5	5.3	16.4	11.3
Equity in net income of affiliated companies	2.1	1.9	3.3	3.3
Net income	$ 15.6	$ 20.1	$ 44.8	$ 39.7
Net income per share:
Basic (in dollars per share)	$ 0.46	$ 0.60	$ 1.32	$ 1.18
Diluted (in dollars per share)	$ 0.45	$ 0.57	$ 1.27	$ 1.13
Weighted average shares outstanding:
Basic (in shares)	34.0	33.6	33.9	33.5
Diluted (in shares)	36.6	37.0	36.9	36.9
Dividends declared per share (in dollars per share)	$ 0.18	$ 0.17	$ 0.36	$ 0.34