SHAREHOLDERS' EQUITY - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jan. 31, 2016	Sep. 30, 2015	Jun. 30, 2015	Apr. 30, 2015	Apr. 30, 2007	May 31, 2005	Aug. 31, 2003	May 31, 2000
Authorized Shares and Designation of Preferred Class:
Common stock authorized (in shares)	100,000,000
Common stock, par value (in dollars per share)	$ 0.05			$ 0.05
Preferred stock authorized (in shares)	250,000
Preferred stock issued (in shares)	0
Shareholders' Rights Plan:
Number of preferred share purchase rights held by shareholders for each share of common stock owned (in shares)	1
Percentage of ownership of outstanding common stock by a person to group to trigger preferred stock purchase rights	20.00%
Number of shares of preferred stock that a holder is entitled to purchase, if the rights become exercisable (in shares)	0.001
Exercise price share of Series A junior participating preferred stock (in dollars per share)	$ 140,000
Share Repurchase Program:
Authorized stock repurchase amount		$ 450,000,000.0	$ 400,000,000.0		$ 350,000,000.0	$ 300,000,000.0	$ 200,000,000.0	$ 100,000,000.0	$ 50,000,000.0
Repurchases of common stock to date (in shares)	18,400,000
Repurchases of common stock to date	$ 390,000,000
Remaining authorized repurchase amount	$ 60,000,000