Segment Information - Summarized Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Total net revenue	$ 64,961	$ 66,694	$ 137,350	$ 135,883
Total segment operating income before depreciation, amortization, and stock-based compensation expense	158	2,131	1,076	2,370
Depreciation and amortization	(3,772)	(4,986)	(7,716)	(10,408)
Stock-based compensation expense	(2,329)	(2,526)	(4,833)	(4,801)
Operating loss	(5,943)	(5,381)	(11,473)	(12,839)
DMS [Member]
Segment Reporting Information [Line Items]
Total net revenue	64,961	66,412	137,350	135,344
Total segment operating income before depreciation, amortization, and stock-based compensation expense	$ 158	1,953	$ 1,076	2,028
All Other Segments [Member]
Segment Reporting Information [Line Items]
Total net revenue		282		539
Total segment operating income before depreciation, amortization, and stock-based compensation expense		$ 178		$ 342