Notes Receivable, Related Parties, Stated Percentage

No definition available.

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Namespace Prefix:	rgc_
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Balance Type:	na
Period Type:	instant

- Definition

This element represents disclosure of the amount of gain which has been deferred as the result of the sale of a business or operating assets to a highly leveraged entity which deferred gain has been reflected in the accompanying statement of financial position as reduction from the related asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 40
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6955272&loc=d3e221323-122791

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section U

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

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

- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

No definition available.

+ Details

Name:	us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

+ References

Reference 1: 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 2: 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 3: 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 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Related Parties
-URI http://asc.fasb.org/extlink&oid=16382449

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

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

- Details

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

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=rgc_ACJVLLCMember
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:	dei_LegalEntityAxis=rgc_NationalCineMediaLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rgc_AmcEntertainmentIncMember
Namespace Prefix:
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INVESTMENTS (AC JV, LLC) (Details) - USD ($) $ in Thousands	12 Months Ended
INVESTMENTS (AC JV, LLC) (Details) - USD ($) $ in Thousands	Dec. 26, 2013	Dec. 31, 2015
National Cine Media
Schedule of Equity Method Investments [Line Items]
Ownership interest in the investee (as a percent)		19.50%
Deferred gain on AC JV, LLC transaction	$ (1,900)
AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest in the investee (as a percent)		32.00%
Deferred gain on AC JV, LLC transaction	$ (1,900)
Regal Cinemas Inc, AMC Entertainment Inc and Cinemark \| AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest in the investee (as a percent)	32.00%
Interest rate on promissory notes (as a percent)	5.00%
National Cine Media
Schedule of Equity Method Investments [Line Items]
Gain in connection with sale	$ 25,400
National Cine Media \| AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest in the investee (as a percent)	4.00%
Promissory notes received	$ 25,000
Cinemark \| National Cine Media \| AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Promissory notes received		$ 8,330
Regal Cinemas Inc \| National Cine Media \| AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Promissory notes received	$ 8,300
AMC Entertainment Inc \| National Cine Media \| AC JV, LLC
Schedule of Equity Method Investments [Line Items]
Promissory notes received		$ 8,330