Acquired Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 38,725	$ 26,545
Accumulated Amortization	(13,642)	(9,843)
Net Carrying Amount	25,083	16,702
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	26,770	18,300
Accumulated Amortization	(9,217)	(7,530)
Net Carrying Amount	17,553	10,770
Weighted Average Useful Life	6 years 10 months 24 days	6 years 8 months 12 days
Licensing agreements and patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,095	4,045
Accumulated Amortization	(2,365)	(1,622)
Net Carrying Amount	1,730	2,423
Weighted Average Useful Life	5 years 4 months 24 days	5 years 6 months
Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,570	2,900
Accumulated Amortization	(1,007)	(227)
Net Carrying Amount	4,563	2,673
Weighted Average Useful Life	5 years 3 months 18 days	6 years
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	990
Accumulated Amortization	(95)
Net Carrying Amount	895
Weighted Average Useful Life	6 years
Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	800	800
Accumulated Amortization	(588)	(188)
Net Carrying Amount	212	612
Weighted Average Useful Life	2 years	2 years
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	500	500
Accumulated Amortization	(370)	(276)
Net Carrying Amount	$ 130	$ 224
Weighted Average Useful Life	5 years	5 years