Segment Information - Summarized Information by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting Information [Line Items]
Total net revenue	$ 71,888	$ 79,017	$ 214,994	$ 229,394
Total segment operating income before depreciation, amortization, and stock-based compensation expense	6,279	12,407	22,387	35,610
Depreciation and amortization	(6,611)	(7,208)	(19,955)	(25,666)
Stock-based compensation expense	(2,450)	(3,013)	(8,111)	(8,813)
Impairment of goodwill				(92,350)	[1]
Total operating (loss) income	(2,782)	2,186	(5,679)	(91,218)
DMS [Member]
Segment Reporting Information [Line Items]
Total net revenue	71,641	78,772	214,178	228,620
Total segment operating income before depreciation, amortization, and stock-based compensation expense	6,169	12,268	21,898	35,177
DSS [Member]
Segment Reporting Information [Line Items]
Total net revenue	247	245	816	774
Total segment operating income before depreciation, amortization, and stock-based compensation expense	$ 110	$ 139	$ 489	$ 433

[1] Cost of revenue and operating expenses include stock-based compensation expense as follows: Cost of revenue $ 595 $ 1,010 $ 2,190 $ 2,896 Product development 551 665 1,893 2,056 Sales and marketing 827 780 2,195 2,403 General and administrative 477 558 1,833 1,457