Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements Of Income [Abstract]
Net sales	$ 730,000	$ 700,300
Costs and expenses:
Cost of goods sold	279,400	264,800
Marketing, selling and administrative expense	202,300	194,300
Research and development expense	48,200	48,000
Interest expense	9,500	9,100
Other (income) expense, net	(800)	100
Total costs and expenses	538,600	516,300
Income from operations before income taxes	191,400	184,000
Income tax provision	52,700	52,100
Net income	$ 138,700	$ 131,900
Basic earnings per share available to common shareholders	$ 1.62	$ 1.52
Diluted earnings per share available to common shareholders	$ 1.60	$ 1.49