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, 2012	Jun. 30, 2011	Jun. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares subject to option, beginning balance	1,959	1,913	2,903
Shares subject to option, granted	217	240
Shares subject to option, exercised	(168)	(98)	(567)
Shares subject to option, forfeited (including canceled options)	(193)	(96)	(423)
Shares subject to option, ending balance	1,815	1,959	1,913
Weighted average exercise price per share, beginning balance	$ 8.46	$ 8.51	$ 7.74
Shares subject to option, options exercisable at June 30, 2012	1,472
Weighted average exercise price per share, granted	$ 6.10	$ 7.76
Weighted average exercise price per share, exercised	$ 4.33	$ 6.28	$ 3.02
Weighted average exercise price per share, forfeited (including canceled options)	$ 9.68	$ 9.82	$ 10.59
Weighted average exercise price per share, ending balance	$ 8.47	$ 8.46	$ 8.51
Weighted average exercise price per share, options exercisable at June 30, 2012	$ 8.87
Aggregate Intrinsic Value, Balance at June 30, 2012	$ 2,177
Aggregate Intrinsic Value, Options exercisable at June 30, 2012	$ 1,390