Total Net Sales by Product Group Category (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Net sales	$ 791,300	$ 758,000	$ 759,900	$ 740,300	$ 762,600	$ 722,900	$ 742,600	$ 730,000	$ 3,049,500	$ 2,958,100	$ 2,896,400
Vascular
Segment Reporting Information [Line Items]
Net sales									830,000	845,000	842,400
Urology
Segment Reporting Information [Line Items]
Net sales									776,600	757,800	734,800
Oncology
Segment Reporting Information [Line Items]
Net sales									857,100	812,400	779,500
Surgical Specialties
Segment Reporting Information [Line Items]
Net sales									499,000	455,100	450,000
Other Product Group
Segment Reporting Information [Line Items]
Net sales									$ 86,800	$ 87,800	$ 89,700