Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	3 years
Property and equipment, gross	$ 68,721	$ 61,811
Less: accumulated depreciation and amortization	(52,792)	(47,291)
Property and equipment, net	15,929	14,520
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	51,372	47,675
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	2 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	4 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Property and equipment, gross	7,110	6,967
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	lesser of estimated useful life or lease term
Property and equipment, gross	2,313	1,837
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Property and equipment, gross	7,838	5,213
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful lives	5 years
Property and equipment, gross	$ 88	$ 119