Segment Information (Schedule Of Net Sales To External Customers By Geographic Region And Product Group Including Other Information) (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Net sales	$ 742,600,000	$ 725,000,000	$ 1,472,600,000	$ 1,425,300,000
Depreciation	13,900,000	13,500,000	27,000,000	26,800,000
Amortization	20,500,000	15,100,000	40,800,000	30,000,000
Vascular
Segment Reporting Information [Line Items]
Net sales	221,300,000	215,200,000	430,500,000	413,500,000
Urology
Segment Reporting Information [Line Items]
Net sales	188,800,000	182,700,000	373,900,000	362,200,000
Oncology
Segment Reporting Information [Line Items]
Net sales	199,100,000	192,800,000	398,000,000	379,200,000
Surgical Specialties
Segment Reporting Information [Line Items]
Net sales	111,400,000	110,900,000	226,100,000	225,800,000
Other Product Group
Segment Reporting Information [Line Items]
Net sales	22,000,000	23,400,000	44,100,000	44,600,000
United States
Segment Reporting Information [Line Items]
Net sales	490,000,000	479,900,000	986,200,000	967,000,000
Europe
Segment Reporting Information [Line Items]
Net sales	130,900,000	138,000,000	253,700,000	256,100,000
Japan
Segment Reporting Information [Line Items]
Net sales	41,500,000	35,000,000	80,600,000	67,800,000
Other
Segment Reporting Information [Line Items]
Net sales	$ 80,200,000	$ 72,100,000	$ 152,100,000	$ 134,400,000