Fair Value of Acquired 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
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
KOR Electronics
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,130
Accumulated Amortization	(984)
Net Carrying Amount	11,146
Weighted Average Useful Life	6 years 6 months
KOR Electronics | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,470
Accumulated Amortization	(592)
Net Carrying Amount	7,878
Weighted Average Useful Life	7 years 2 months 12 days
KOR Electronics | Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,670
Accumulated Amortization	(297)
Net Carrying Amount	2,373
Weighted Average Useful Life	4 years 6 months
KOR Electronics | 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