INCOME TAXES (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Apr. 30, 2017
Income Tax Disclosure [Abstract]
Approximate net refund in future period					$ 6,200,000
Material changes to the balance of unrecognized tax benefits	$ 0
Unrecognized tax benefits significant increase in the next 12 months	0		$ 0
Unrecognized tax benefits significant reduction in the next 12 months	$ 0		$ 0
Effective income tax rate (as a percent)	32.80%	33.70%	32.70%	33.10%