Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014 Segment	Jun. 30, 2013	Jun. 30, 2012
Schedule Of Significant Accounting Policies [Line Items]
Number of reportable segments	2
Investment securities maturity period for consideration as cash equivalents, in days	90 days
Inventory	$ 6.7	$ 8.4
Change in estimates of projected future variables that has no impact on reported value of goodwill, percentage	10.00%
Advertising costs	$ 2.4	$ 2.4	$ 2.0
Minimum [Member] | Internal Use Software [Member]
Schedule Of Significant Accounting Policies [Line Items]
Amortization period	3 years
Maximum [Member] | Internal Use Software [Member]
Schedule Of Significant Accounting Policies [Line Items]
Amortization period	5 years