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FINANCING ARRANGEMENTS: Schedule of Long-term Financial Liability (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Jun. 30, 2018
Debt Disclosure [Abstract] |  |
Interest Rate | 3.50% |
Long-term lease liability | $ 17,646 | $ 0

X
- Definition Sale Leaseback Transaction, Amount Due under Financing Arrangement, Noncurrent + References No definition available. + Details
Name: | rgs_SaleLeasebackTransactionAmountDueunderFinancingArrangementNoncurrent
Namespace Prefix: | rgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References No definition available. + Details
Name: | us-gaap_SaleLeasebackTransactionImputedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration