Consolidated Statements Of Income (USD $)	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Consolidated Statements Of Income [Abstract]
Net sales	$ 2,896,400,000		$ 2,720,200,000		$ 2,534,900,000
Costs and expenses:
Cost of goods sold	1,097,300,000		1,020,000,000		959,000,000
Marketing, selling and administrative expense	794,600,000		759,800,000		682,500,000
Research and development expense	185,400,000		185,400,000		179,600,000
Interest expense	36,400,000		12,700,000		11,800,000
Other (income) expense, net	271,900,000		24,600,000		30,500,000
Total costs and expenses	2,385,600,000		2,002,500,000		1,863,400,000
Income from operations before income taxes	510,800,000		717,700,000		671,500,000
Income tax provision	182,800,000		208,100,000		210,100,000
Net income	328,000,000		509,600,000		461,400,000
Net income attributable to noncontrolling interest			400,000		1,300,000
Net income attributable to common shareholders	$ 328,000,000		$ 509,200,000		$ 460,100,000
Basic earnings per share available to common shareholders	$ 3.75	[1]	$ 5.39		$ 4.66
Diluted earnings per share available to common shareholders	$ 3.69	[1]	$ 5.32	[1]	$ 4.60

[1] Total per share amounts may not add due to rounding.