CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 447.9	$ 412.7	$ 1,389.1	$ 1,248.4
Cost of goods sold	111.7	125.6	368.8	370.2
Gross profit	336.2	287.1	1,020.3	878.2
Selling, general and administrative expenses	167.8	165.5	527.4	479.0
Research and development expenses	73.8	61.7	216.4	185.6
Special charges (Note 2)			7.0	4.0
Interest income, net	(0.3)		(0.4)	(0.3)
Other expense (income), net	1.5	2.3	1.0	(5.1)
Income before provision for income taxes	93.4	57.6	268.9	215.0
Provision for income taxes	24.2	6.0	66.8	41.4
Net income	$ 69.2	$ 51.6	$ 202.1	$ 173.6
Earnings per share:
Basic (in dollars per share)	$ 0.60	$ 0.45	$ 1.76	$ 1.51
Diluted (in dollars per share)	$ 0.58	$ 0.43	$ 1.71	$ 1.45
Weighted-average number of common shares outstanding:
Basic (in shares)	115.7	114.6	114.9	114.8
Diluted (in shares)	119.0	119.0	118.4	119.8