SEGMENT INFORMATION - Schedule of Reportable Operating Segment Salons (Details)	Dec. 31, 2024 salon franchisee	Jun. 30, 2024 salon franchisee
Franchisor Disclosure [Line Items]
Number of salons | franchisee	4,248	4,408
Franchise
Franchisor Disclosure [Line Items]
Number of salons	3,925	4,391
Salons as a percent of total Company-owned and Franchise salons	92.40%	99.60%
Franchise | North American
Franchisor Disclosure [Line Items]
Number of salons	3,830	4,295
Franchise | International
Franchisor Disclosure [Line Items]
Number of salons	95	96
Franchise | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	1,772	1,946
Franchise | SmartStyle/Cost Cutters in Walmart stores
Franchisor Disclosure [Line Items]
Number of salons	1,190	1,232
Franchise | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	868	1,117
Company-Owned
Franchisor Disclosure [Line Items]
Number of salons	323	17
Salons as a percent of total Company-owned and Franchise salons	7.60%	0.40%
Company-Owned | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	111	3
Company-Owned | SmartStyle/Cost Cutters in Walmart stores
Franchisor Disclosure [Line Items]
Number of salons	1	8
Company-Owned | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	211	6