Segment Information (Net Sales Based On The Location Of External Customer By Geographic Region And Product Group Category) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales	$ 751,900,000	$ 719,200,000	$ 725,000,000	$ 700,300,000	$ 717,100,000	$ 678,400,000	$ 673,900,000	$ 650,800,000	$ 2,896,400,000	$ 2,720,200,000	$ 2,534,900,000
Long-lived assets	457,500,000				416,100,000				457,500,000	416,100,000	403,900,000
United States [Member]
Net sales									1,956,000,000	1,889,000,000	1,759,200,000
Long-lived assets	390,800,000				362,000,000				390,800,000	362,000,000	339,700,000
Europe [Member]
Net sales									514,100,000	474,800,000	471,700,000
Long-lived assets	52,500,000				43,100,000				52,500,000	43,100,000	55,400,000
Japan [Member]
Net sales									142,800,000	131,900,000	126,500,000
Other Location [Member]
Net sales									283,500,000	224,500,000	177,500,000
Long-lived assets	14,200,000				11,000,000				14,200,000	11,000,000	8,800,000
Vascular [Member]
Net sales									842,400,000	755,900,000	681,500,000
Urology [Member]
Net sales									734,800,000	718,100,000	700,300,000
Oncology [Member]
Net sales									779,500,000	724,800,000	678,700,000
Surgical Specialties [Member]
Net sales									450,000,000	434,600,000	387,800,000
Other [Member]
Net sales									$ 89,700,000	$ 86,800,000	$ 86,600,000