TBG DISCONTINUED OPERATIONS AND RESTRUCTURING - Additional Information (Details) $ in Millions	Jun. 30, 2019 USD ($) store	Jun. 30, 2018 USD ($)	Oct. 31, 2017 salon	Sep. 30, 2017 salon
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores | store	3,108
Salon lease commitments	$ 41.0
Potentially liable for payment	$ 2.2
Discontinued Operations, Disposed of by Sale | Mall-Based Salons and International Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Promissory note receivable		$ 11.7
North America | Facility Closing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores | salon			858	858
United Kingdom | Facility Closing
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stores | salon			250	250