SEGMENT INFORMATION - Reportable Operating Segment Salons (Details)	Mar. 31, 2024 salon franchisee	Jun. 30, 2023 salon franchisee
Franchisor Disclosure [Line Items]
Number of salons | franchisee	4,557	4,863
Franchise
Franchisor Disclosure [Line Items]
Number of salons	4,537	4,795
Salons as a percent of total Company-owned and Franchise salons	99.60%	98.60%
Franchise | North American
Franchisor Disclosure [Line Items]
Number of salons	4,439	4,693
Franchise | International
Franchisor Disclosure [Line Items]
Number of salons	98	102
Franchise | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	1,976	2,082
Franchise | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	1,322	1,388
Franchise | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	1,141	1,223
Company-owned
Franchisor Disclosure [Line Items]
Number of salons	20	68
Salons as a percent of total Company-owned and Franchise salons	0.40%	1.40%
Company-owned | Supercuts
Franchisor Disclosure [Line Items]
Number of salons	4	7
Company-owned | SmartStyle/Cost Cutters in Walmart Stores
Franchisor Disclosure [Line Items]
Number of salons	8	48
Company-owned | Portfolio Brands
Franchisor Disclosure [Line Items]
Number of salons	8	13