SEGMENT INFORMATION - Reportable Operating Segment Salons (Details)	Sep. 30, 2023 salon franchisee	Jun. 30, 2023 salon franchisee
Franchisor Disclosure [Line Items]
Number of salons | franchisee	4,811	4,863
Franchise
Franchisor Disclosure [Line Items]
Number of salons	4,745	4,795
Salons as a percent of total Company-owned and Franchise salons	98.60%	98.60%
Franchise | North American
Franchisor Disclosure [Line Items]
Number of salons	4,643	4,693
Franchise | International
Franchisor Disclosure [Line Items]
Number of salons	102	102
Franchise | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	2,060	2,082
Franchise | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	1,373	1,388
Franchise | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	1,210	1,223
Company-owned
Franchisor Disclosure [Line Items]
Number of salons	66	68
Salons as a percent of total Company-owned and Franchise salons	1.40%	1.40%
Company-owned | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	7	7
Company-owned | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	48	48
Company-owned | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	11	13