Stock Based Compensation Plans (Schedule of Shares of Common Stock under Options for All Plans) (Detail) - Common stock under option - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance	397	551	960
Shares, Granted
Shares subject to option, Exercised	(95)	(146)	(392)
Shares subject to option, Forfeited (including cancelled options)		(8)	(17)
Ending balance	302	397	551
Shares subject to option, options exercisable at June 30, 2016	302
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted average exercise price per share, beginning balance	$ 7.28	$ 7.72	$ 8.36
Weighted average exercise price per share, granted
Weighted average exercise price per share, exercised	7.56	8.74	9.34
Weighted average exercise price per share, forfeited (including canceled options)		10.94	6.58
Weighted average exercise price per share, ending balance	7.19	$ 7.28	$ 7.72
Weighted average exercise price per share, options exercisable at June 30, 2016	$ 7.19
Aggregate Intrinsic Value, Balance at June 30, 2016	$ 4,439
Aggregate Intrinsic Value, Options exercisable at June 30, 2016	$ 4,439