Name:	rgs_DeferredCompensationArrangementWithIndividualInterestInNoncontributoryDefinedContributionComponentVestedAfterTwoYearOfServicePercentage
Namespace Prefix:	rgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the percentage of participants' interest in the noncontributory defined contribution component of the deferred compensation arrangement that becomes vested after each additional year of service beyond the first two years.

No definition available.

Name:	rgs_DeferredCompensationArrangementWithIndividualInterestInNoncontributoryDefinedContributionComponentVestingAfterEachAdditionalYearOfServicePercentage
Namespace Prefix:	rgs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum hours of service required during the plan year for an employee to be eligible to participate in the deferred compensation plan.

No definition available.

Name:	rgs_DeferredCompensationArrangementWithIndividualMinimumEligibilityServiceHour
Namespace Prefix:	rgs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the minimum period of time over which an employee is required to provide service to become eligible to participate in the deferred compensation plan.

No definition available.

Name:	rgs_DeferredCompensationArrangementWithIndividualMinimumEligibilityServicePeriod
Namespace Prefix:	rgs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Deferred Compensation Arrangement With Individual, Noncontributory Defined Contribution Component, Service Period For Initial Vesting

No definition available.

Name:	rgs_DeferredCompensationArrangementWithIndividualNoncontributoryDefinedContributionComponentServicePeriodForInitialVesting
Namespace Prefix:	rgs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the estimated period of time over which an employee is required to provide service to become eligible to participate in the defined contribution plan.

No definition available.

Name:	rgs_DefinedContributionPlanEligibilityServicePeriod
Namespace Prefix:	rgs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the minimum age of employees to be eligible to participate in the defined contribution plan.

No definition available.

Name:	rgs_DefinedContributionPlanMinimumEligibilityAge
Namespace Prefix:	rgs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Minimum period when individual is required to perform service to be fully vested under deferred compensation arrangement, 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
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482943/710-10-55-7

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

Name:	us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1