Summary of Options Activity (Detail) (Stock Option [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Options, Outstanding at beginning of period	3,327,668
Options Granted	556,050
Options Exercised	(58,157)
Options Canceled and Forfeited	(30,629)
Options, Outstanding at end of period	3,794,932
Options Outstanding, Exercisable	2,352,083
Weighted Average Exercise Price at beginning of period	$ 32.64
Weighted Average Exercise Price, Options Granted	$ 28.32
Weighted Average Exercise Price, Options Exercised	$ 21.79
Weighted Average Exercise Price, Options Canceled and Forfeited	$ 39.98
Weighted Average Exercise Price at end of period	$ 32.13
Weighted Average Exercise Price, Exercisable	$ 35.32
Weighted Average Remaining Contractual Life, Outstanding at end of period	6 years 5 months 12 days
Weighted Average Remaining Contractual Life, Exercisable	4 years 10 months 17 days
Aggregate Intrinsic Value, Outstanding at end of period	$ 16,358
Aggregate Intrinsic Value, Exercisable	$ 8,143