Cover Page - USD ($)	12 Months Ended
	Jun. 30, 2021	Aug. 19, 2021	Dec. 31, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 30, 2021
Current Fiscal Year End Date	--06-30
Document Transition Report	false
Entity File Number	1-12725
Entity Registrant Name	Regis Corp
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-0749934
Entity Address, Address Line One	3701 Wayzata Boulevard,
Entity Address, City or Town	Minneapolis
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55416
City Area Code	952
Local Phone Number	947-7777
Title of 12(b) Security	Common Stock, $0.05 par value
Trading Symbol	RGS
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 228,412,983
Entity Common Stock, Shares Outstanding		35,806,265
Documents Incorporated by Reference	Portions of the registrant's definitive Proxy Statement for the annual fiscal 2021 meeting of shareholders (the "2021 Proxy Statement") (to be filed pursuant to Regulation 14A within 120 days after the registrant's fiscal year-end of June 30, 2021) are incorporated by reference into Part III.
Entity Central Index Key	0000716643
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY