SEGMENT INFORMATION - Reportable Operating Segment Salons (Details) - salon	Dec. 31, 2021	Jun. 30, 2021
Franchisor Disclosure [Line Items]
Number of salons	5,779	5,917
Equity ownership interest locations
Franchisor Disclosure [Line Items]
Number of salons	76	78
Franchise
Franchisor Disclosure [Line Items]
Number of salons	5,553	5,563
Salons as a percent of total Company-owned and Franchise salons	97.40%	95.30%
Franchise | North American
Franchisor Disclosure [Line Items]
Number of salons	5,407	5,409
Franchise | International
Franchisor Disclosure [Line Items]
Number of salons	146	154
Franchise | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	1,676	1,666
Franchise | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	2,345	2,386
Franchise | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	1,386	1,357
Company-owned
Franchisor Disclosure [Line Items]
Number of salons	150	276
Salons as a percent of total Company-owned and Franchise salons	2.60%	4.70%
Company-owned | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	63	91
Company-owned | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	22	35
Company-owned | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	65	150