Product and Business Acquisitions - Allocation of Purchase Price (Detail) (USD $) In Thousands, unless otherwise specified			3 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2014 Andera, Inc., [Member]
Business Acquisition [Line Items]
Current assets			$ 2,157
Property and equipment			1,226
Customer related intangible assets			13,749
Core technology			7,429
Other intangible assets			623
Goodwill	201,320	208,991	26,417
Current liabilities			(5,327)
Other liabilities			(3,294)
Total purchase price			$ 42,980