Represents the amounts due related to intercompany transactions and cash management.

No definition available.

Name:	rgc_IntercompanyTransactionsAndCashManagementReceivables
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the fair value renewal options term.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeaseFairValueRenewalOptionsTerm
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of theatres which were subject to the lease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeaseNumberOfProperties
Namespace Prefix:	rgc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of one-year fair value renewal options.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeaseNumberOfTimesFairValueRenewalOptions
Namespace Prefix:	rgc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the original base term of properties which are subject to lease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeaseOriginalBaseTerm
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the renewal extension of the lease of properties which are subject to lease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeaseRenewalExtensionPeriodOfLease
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the initial annual minimum rent payments per digital projection system that the lessee is obligated to make from the effective date of the agreement to the end of the lease term classified as an operating lease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeasesFutureAnnualMinimumRentalPayments
Namespace Prefix:	rgc_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of incremental annual minimum lease payments per digital projection system that the lessee can be required to make, upon certain conditions, beginning at six and a half years from the effective date of an agreement classified as an operating lease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingLeasesIncrementalAnnualMinimumRentUponCertainConditions
Namespace Prefix:	rgc_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the term of sublease.

+ References

No definition available.

+ Details

Name:	rgc_OperatingSubleaseTerm
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	rgc_OtherOperatingRevenueFromRelatedPartyTransactionAbstract
Namespace Prefix:	rgc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents other operating revenue recognized by the entity from related party related to amortization of exhibitor services agreement modification fees.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionAmortizationOfEsaModificationFees
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the period prior to the end of the term of the respective exhibitor services agreements that the right of first refusal commences for the related party.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionExhibitorServicesAgreementRightOfFirstRefusalCommencementPeriod
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the extended term of exhibitor services agreements.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionExhibitorServicesAgreementsExtendedTerm
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period over which the related party has the right of first refusal to certain conditions as stated in the exhibitor services agreements.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionExhibitorServicesAgreementsPeriodCoveredUnderRightOfFirstRefusal
Namespace Prefix:	rgc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the increase (decrease) in related party receivables due to the timing of intercompany cash collections and disbursements.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionIncreaseDecreaseinReceivables
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents other operating revenue recognized by the entity from related party related to other NCM revenue.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionOtherNcmRevenue
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents payments made for beverage concessionaire advertising by the entity to related party.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionPaymentForBeverageConcessionaireAdvertising
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Related Party Transaction Theatre Access Fees

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionTheatreAccessFees
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents other operating revenue recognized by the entity from related party related to theatre access fees per digital screen.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionTheatreAccessFeesPerDigitalScreen
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents total other operating revenue recognized by the entity from related party.

+ References

No definition available.

+ Details

Name:	rgc_RelatedPartyTransactionTotalOtherOperatingRevenue
Namespace Prefix:	rgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.3)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=rgc_NationalCineMediaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=rgc_RegalCinemasIncAMCEntertainmentIncandCinemarkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rgc_DigitalCinemaImplementationPartnersLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rgc_NationalCineMediaLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rgc_RegalCinemasIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rgc_UnitedArtistsPropertiesICorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 27, 2014	Jan. 01, 2015	Dec. 26, 2013
Related Party Transactions
Related party receivables	$ 76.9us-gaap_DueFromRelatedParties		$ 78.5us-gaap_DueFromRelatedParties
Receivables related to intercompany transactions and cash management	67.1		68.7
Number of theatres subject to lease	3rgc_OperatingLeaseNumberOfProperties
Regal Cinemas Inc, AMC Entertainment Inc and Cinemark \| AC JV, LLC
Related Party Transactions
Ownership percentage				32.00%
National Cine Media \| AC JV, LLC
Related Party Transactions
Ownership percentage				4.00%
RCI
Related Party Transactions
Management fee expenses	1.2	1.4
Prop I
Related Party Transactions
Related party receivables	9.8		9.8
Number of theatres subject to lease	3
Original base term of lease (in years)	15 years
Renewal extension period of the lease (in years)	10 years
Decrease in related party receivables due to the timing of intercompany cash collections and disbursements	1.6
NCM Inc. \| RCI
Related Party Transactions
Extended term of exhibitor services agreement (in years)	30 years
Right of first refusal period (in years)	5 years
Period prior to end of agreement term for commencement of right of first refusal (in years)	1 year
Other operating revenues, other revenue from National CineMedia
Theatre access fees - patrons	0.2	0.2
Theatre access fees - digital screens	0.1	0.1
Other NCM revenue	0.1	0.1
Amortization of ESA modification fees	0.1	0.1
Payments for beverage concessionaire advertising	(0.1)	(0.2)
Total	0.4	0.3
DCIP \| RCI
Related Party Transactions
Maximum term of lease, excluding renewal options (in years)	12 years
Number of one-year fair value renewal options	10
Fair value renewal options term (in years)	1 year
Incremental annual minimum rent per digital projection system beginning six and half years from agreement effective date, upon certain conditions	2,000
Annual minimum rent per digital projection system, from effective date of agreement through the end of the lease term	1,000
Leased digital projection systems, total rent	$ 0.1	$ 0.3