Stock Based Compensation Plans (Schedule of Shares of Common Stock under Options for All Plans) (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, beginning balance	1,815	1,959	1,913
Shares subject to option, granted		217	240
Shares subject to option, exercised	(740)	(168)	(98)
Shares subject to option, forfeited (including canceled options)	(115)	(193)	(96)
Shares subject to option, ending balance	960	1,815	1,959
Weighted average exercise price per share, beginning balance	$ 8.47	$ 8.46	$ 8.51
Shares subject to option, options exercisable at June 30, 2013	762
Weighted average exercise price per share, granted		$ 6.10	$ 7.76
Weighted average exercise price per share, exercised	$ 8.43	$ 4.33	$ 6.28
Weighted average exercise price per share, forfeited (including canceled options)	$ 9.55	$ 9.68	$ 9.82
Weighted average exercise price per share, ending balance	$ 8.36	$ 8.47	$ 8.46
Weighted average exercise price per share, options exercisable at June 30, 2013	$ 8.82
Aggregate Intrinsic Value, Balance at June 30, 2013	$ 5,347
Aggregate Intrinsic Value, Options exercisable at June 30, 2013	$ 3,897