Total Net Sales by Product Group Category (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 799,300	$ 740,300
Vascular
Segment Reporting Information [Line Items]
Net sales	219,200	203,200
Urology
Segment Reporting Information [Line Items]
Net sales	201,400	188,800
Oncology
Segment Reporting Information [Line Items]
Net sales	219,000	207,100
Surgical Specialties
Segment Reporting Information [Line Items]
Net sales	135,200	120,300
Other Product Group
Segment Reporting Information [Line Items]
Net sales	$ 24,500	$ 20,900