SUBSEQUENT EVENT (Details)	Oct. 25, 2016 USD ($) $ / shares shares	Oct. 24, 2016 shares	Sep. 30, 2016 $ / shares shares	Dec. 31, 2015 $ / shares shares	Oct. 28, 2014 USD ($)
Subsequent Event [Line Items]
Stock repurchase program, authorized amount | $					$ 75,000,000
Common stock, shares authorized (in shares)			60,000,000	60,000,000
Common stock, par value (in dollars per share) | $ / shares			$ 0.01	$ 0.01
Subsequent Event
Subsequent Event [Line Items]
Stock repurchase program, authorized amount | $	$ 150,000,000.0
Treasury stock, shares, retired (in shares)	8,900,000
Common stock, shares authorized (in shares)	240,000,000.0	60,000,000.0
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Stock split ratio, Common stock	2