Acquisitions - Fair Value of Assets and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013 Cato [Member]	Mar. 11, 2013 Cato [Member]	Mar. 31, 2013 Safety Syringes [Member]	Dec. 24, 2012 Safety Syringes [Member]
Business Acquisition [Line Items]
Developed technology	$ 8,900		$ 68,800
Other intangibles	3,700		4,750
Other assets	1,078
Property, plant and equipment, net			6,853
Trade receivables, net			6,512
Other assets			6,507
Total identifiable assets acquired	13,678		93,422
Deferred tax liabilities	(276)
Other liabilities assumed	(1,424)
Other liabilities assumed	(1,700)		(3,589)
Net identifiable assets acquired	11,978		89,833
Goodwill	11,329		34,255
Net assets acquired	$ 23,307	$ 23,307	$ 124,088	$ 124,088