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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Jun. 15, 2022 | Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract] |  |
Settlement fees |  | $ 0.5
Loss contingency payments |  | 0.5
Supplier installments | $ 2.0 |
Supplier installment, remaining payable |  | $ 0.5

X
- Definition Supplier Installment, Remaining Payable + References No definition available. + Details
Name: | rgs_SupplierInstallmentRemainingPayable
Namespace Prefix: | rgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Supplier Installments + References No definition available. + Details
Name: | rgs_SupplierInstallments
Namespace Prefix: | rgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration