SUBSEQUENT EVENTS (Details) - shares	Oct. 24, 2017	Sep. 30, 2017	May 19, 2015
Share Repurchase Program, October 2017 | Subsequent Event
Subsequent Event [Line Items]
Stock authorized to repurchase under stock repurchase program (in shares)	25,000,000
Share Repurchase Program, May 2015
Subsequent Event [Line Items]
Stock authorized to repurchase under stock repurchase program (in shares)			20,000,000
Stock remaining to be purchased (in shares)		970,650