Property and Equipment - Additional Information (Detail) $ in Thousands		12 Months Ended
	Apr. 20, 2007 USD ($) OptionPlan	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Property, Plant and Equipment [Line Items]
Increase in property and equipment		$ 15,111
Depreciation and amortization expense related to property and equipment		6,900	$ 6,332	$ 7,625
Lease term	10 years
Number of five year term option to renew | OptionPlan	2
Lease term, option to renew	5 years
Deferred gain on sale-leaseback transaction	$ 11,569
Computer equipment and software
Property, Plant and Equipment [Line Items]
Retirement of asset		$ 32	$ 733