STOCK-BASED COMPENSATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Stock-based compensation
Stock-based compensation expense	$ 4,644	$ 1,440	$ 8,283	$ 5,510
Stock-based compensation awards granted (in shares)	13,220	7,100	114,086	182,570
Stock options
Stock-based compensation
Stock-based compensation expense	$ 94	$ 33	$ 151	$ 187
Stock options granted (in shares)			1,604	6,430
Unrecognized compensation expense	55		$ 55
Weighted-average vesting period (years)			1 year 7 months 6 days
Stock appreciation rights
Stock-based compensation
Stock-based compensation expense	$ 1,365	$ 417	$ 2,237	$ 1,592
Other than options granted (in shares)	6,890	3,500	53,616	72,860
Unrecognized compensation expense	$ 1,790		$ 1,790
Weighted-average vesting period (years)			2 years
Restricted stock
Stock-based compensation
Stock-based compensation expense	$ 2,659	$ 679	$ 4,599	$ 2,636
Other than options granted (in shares)	2,050	1,200	26,026	43,460
Unrecognized compensation expense	$ 3,736		$ 3,736
Weighted-average vesting period (years)			3 years 2 months 12 days
Performance stock
Stock-based compensation
Stock-based compensation expense	$ 526	$ 311	$ 1,296	$ 1,095
Other than options granted (in shares)	4,280	2,400	32,840	59,820
Unrecognized compensation expense	$ 1,795		$ 1,795
Weighted-average vesting period (years)			2 years 3 months 18 days
Performance stock | Maximum
Stock-based compensation
Earn out basis if all goals are met (as a percent)	200.00%		200.00%