COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Operating Leased Assets [Line Items]
Operating leases for subleased franchise salons, term	5 years
Sublease income	$ 31.5	$ 31.4	$ 30.9
Rent expense on premises subleased to franchisees	$ 31.1	30.9	30.5
Sublease arrangements mark-up (as a percent)	10.00%
Net rental income from sublease arrangements	$ 0.4	$ 0.5	$ 0.4
Leased Building with Sublease Arrangement
Operating Leased Assets [Line Items]
Future minimum payments due	$ 2.4
Minimum
Operating Leased Assets [Line Items]
Operating leases term	1 year
Operating leases typical renewal term	5 years
Maximum
Operating Leased Assets [Line Items]
Operating leases term	20 years
Operating leases typical renewal term	10 years