Summary of Options Activity (Detail) (Stock Option [Member], USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Options, Outstanding at beginning of period	2,939,772
Options, Granted	860,610
Options, Exercised	(215,812)
Options, Cancelled	(256,902)
Options, Outstanding at end of period	3,327,668
Options Outstanding, Exercisable at end of period	1,972,215
Weighted Average Exercise Price at beginning of period	$ 36.37
Weighted Average Exercise Price, Options Granted	$ 18.63
Weighted Average Exercise Price, Options Exercised	$ 23.14
Weighted Average Exercise Price, Options Canceled	$ 36.40
Weighted Average Exercise Price at end of period	$ 32.64
Weighted Average Exercise Price, Exercisable at end of period	$ 35.56
Weighted Average Remaining Contractual Life, Outstanding at end of period	6 years 25 days
Weighted Average Remaining Contractual Life, Exercisable at end of period	4 years 4 months 28 days
Aggregate Intrinsic Value, Outstanding at end of period	$ 16,354
Aggregate Intrinsic Value, Exercisable at end of period	$ 6,648