Organization and Summary of Significant Accounting Policies - Schedule of Cumulative Translation Adjustments Included in Other Comprehensive Income, Net of Tax (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Foreign Currency Translation [Line Items]
Beginning Balance	$ (1.8)
Period translation adjustments	(5.2)	$ (1.7)
Ending balance	$ (7.0)	$ (1.8)