Significant Accounting Policies - Revenue Recognition and Other Licensing Matters (Details) $ in Millions	9 Months Ended
	Mar. 31, 2016 USD ($) claim	Jun. 30, 2015 claim
Revenue Recognition
Period over which customers typically received SMS	1 year
Concessions given on contract modification to an existing term arrangement | $	$ 0.0
Other Licensing Matters
Number of claims outstanding | claim	0	0