STOCK-BASED COMPENSATION - UNRECOGNIZED COMPENSATION EXPENSE (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2016 USD ($)
Stock options
Unrecognized stock-based compensation expense
Unrecognized compensation expense	$ 519
Weighted-average vesting period (years)	1 year 9 months 18 days
Stock appreciation rights
Unrecognized stock-based compensation expense
Unrecognized compensation expense	$ 2,804
Weighted-average vesting period (years)	2 years
Restricted stock
Unrecognized stock-based compensation expense
Unrecognized compensation expense	$ 6,793
Weighted-average vesting period (years)	3 years 2 months 12 days
Performance stock
Unrecognized stock-based compensation expense
Unrecognized compensation expense	$ 2,772
Weighted-average vesting period (years)	1 year 6 months