Stock Based Compensation Plans (Schedule of Non-Vested Stock Options) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Shares subject to option, non-vested, beginning balance	343
Shares subject to option, granted
Shares subject to option, vested	(135)
Shares subject to option, forfeited	(10)
Shares subject to option, non-vested, ending balance	198
Weighted average grant date fair value, non-vested, beginning balance	$ 2.38
Weighted average grant date fair value, granted		$ 2.07	$ 2.88
Weighted average grant date fair value, vested	$ 2.45
Weighted average grant date fair value, forfeited	$ 2.53
Weighted average grant date fair value, non-vested, ending balance	$ 2.32	$ 2.38