Segment Information (Schedule Of Net Sales To External Customers By Geographic Region And Product Group Including Other Information) (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Segment Reporting Information [Line Items]
Net sales	$ 730,000,000	$ 700,300,000
Depreciation	13,100,000	13,300,000
Amortization	20,300,000	14,900,000
Vascular [Member]
Segment Reporting Information [Line Items]
Net sales	209,200,000	198,300,000
Urology [Member]
Segment Reporting Information [Line Items]
Net sales	185,100,000	179,500,000
Oncology [Member]
Segment Reporting Information [Line Items]
Net sales	198,900,000	186,400,000
Surgical Specialties [Member]
Segment Reporting Information [Line Items]
Net sales	114,700,000	114,900,000
Other [Member]
Segment Reporting Information [Line Items]
Net sales	22,100,000	21,200,000
United States [Member]
Segment Reporting Information [Line Items]
Net sales	496,200,000	487,100,000
Europe [Member]
Segment Reporting Information [Line Items]
Net sales	122,800,000	118,100,000
Japan [Member]
Segment Reporting Information [Line Items]
Net sales	39,100,000	32,800,000
Other [Member]
Segment Reporting Information [Line Items]
Net sales	$ 71,900,000	$ 62,300,000