Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonEquityInstrumentNonvestedNetOfEstimatedForfeituresWeightedAverageExercisePrice
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Period Type:	instant

Represents the intrinsic value of equity-based compensation awards nonvested, net of estimated forfeitures for stock options

No definition available.

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Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Aggregate Intrinsic Value

No definition available.

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Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Number

No definition available.

Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisableNumber
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Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Exercise Price

No definition available.

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Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Remaining Contractual Term

No definition available.

Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisableWeightedAverageRemainingContractualTerm
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Share-Based Compensation Arrangement By Share-based Payment Award, Non-Option Equity Instruments, Forfeitures And Expirations In Period, Weighted Average Exercise Price

No definition available.

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The number of non-vested equity-based payment instruments, net of estimated forfeitures excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

No definition available.

Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsNonvestedNetOfEstimatedForfeitures
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Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price

No definition available.

Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice
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Data Type:	dtr-types:perShareItemType
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-- None. No documentation exists for this element. --

No definition available.

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-- None. No documentation exists for this element. --

No definition available.

Name:	rgs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingWeightedAverageRemainingContractualTermAbstract
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Data Type:	xbrli:stringItemType
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Weighted-average contractual term remaining for equity-based award excluding option, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
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-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Data Type:	xbrli:durationItemType
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Number of shares under non-option equity instrument agreements that were either cancelled or expired.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- References

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract
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Data Type:	xbrli:stringItemType
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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4