Stock-Based Compensation - Summary of Stock Option Plans (Detail) (Stock Options, USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Stock Options
Number of Shares
Outstanding at beginning of period	2,070,000	2,185,000
Granted	0	271,000	0
Exercised	(113,000)	(74,000)
Cancelled	(522,000)	(312,000)
Outstanding at end of period	1,435,000	2,070,000	2,185,000
Vested and expected to vest at end of period	1,434,000
Exercisable at end of period	1,382,000
Weighted Average Exercise Price (in dollars per share)
Outstanding at beginning of period	$ 13.44	$ 14.46
Granted	$ 0.00	$ 4.75
Exercised	$ 6.23	$ 5.88
Cancelled	$ 19.59	$ 14.83
Outstanding at end of period	$ 11.76	$ 13.44	$ 14.46
Vested and expected to vest at end of period	$ 11.77
Exercisable at end of period	$ 12.01
Weighted Average Remaining Contractual Term (Years)
Outstanding at end of period	2 years 2 months 23 days	2 years 7 months 6 days	2 years 10 months 21 days
Vested and expected to vest at end of period	2 years 2 months 19 days
Exercisable at end of period	2 years 0 months 18 days
Aggregate Intrinsic Value
Outstanding at end of period	$ 2,564
Vested and expected to vest at end of period	2,560
Exercisable at end of period	$ 2,249