COMMON STOCK AND TREASURY STOCK - Additional Information (Details) (USD $)	0 Months Ended			12 Months Ended			0 Months Ended	1 Months Ended
	Dec. 28, 2012	Dec. 14, 2012	Aug. 09, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 18, 2013 Existing stockholders, including the Company's CEO and entities affiliated with Summit Partners, L.P.	Jun. 30, 2013 Option granted to underwriters
Class of Stock [Line Items]
Common stock, shares authorized				500,000,000	500,000,000
Common stock, shares issued				131,452,763	131,129,888
Common stock, shares outstanding				87,213,803	92,049,978
Repurchase of common stock			$ 100,000,000
Authorized special cash dividend (in dollars per share)		$ 0.18		$ 0.18	$ 0	$ 0
Dividend payment	$ 15,700,000			$ 15,652,000	$ 0	$ 0
Number of shares offered							7,031,464
Price (in dollars per share)							$ 16.00
Number of shares sold in connection with the partial exercise of the option to purchase additional shares								531,464