Formation of Regal Entertainment Group (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		1 Months Ended
	Aug. 16, 2002	Apr. 12, 2002	May 31, 2002	Jan. 01, 2015	Dec. 26, 2013	Mar. 08, 2002 theatre_company
Entity Information [Line Items]
Number of theatre companies excluding Regal						3
Warrant exercise price (in dollars per unit)		8.88
Common stock, shares issued				100	100
Purchase price of United Artists	$ 34.0
Minority stockholders' holding (in percent)	9.90%
Anschutz
Entity Information [Line Items]
Number of theatre companies excluding Regal						2
Voting power controlled by Anschutz (as a percent)				78.00%
Oaktree
Entity Information [Line Items]
Anschutz beneficial ownership (in shares)		1,455,183
United Artists Theatre Company
Entity Information [Line Items]
Number of warrants outstanding (in shares)		3,750,000
Regal Cinemas Corporation
Entity Information [Line Items]
Voting power controlled by Anschutz (as a percent)	90.10%
Common Class A
Entity Information [Line Items]
Shares issued during the period		27,493,575
Number of warrants issued (in shares)		296,129
Common stock, shares issued			18,000,000
IPO share price (in dollars per share)			$ 19.00
Proceeds from issuance, Initial Public Offering			$ 314.8
Common Class A | United Artists Theatre Company
Entity Information [Line Items]
Replacement options to purchase Regal Class A common stock (in shares)		2,287,552
Common Class B
Entity Information [Line Items]
Shares issued during the period			697,620
Number of warrants issued (in shares)		3,928,185
Common Class B | Anschutz
Entity Information [Line Items]
Shares issued during the period		70,538,017
Common Class B | Oaktree
Entity Information [Line Items]
Shares issued during the period		14,052,320
Minimum
Entity Information [Line Items]
Class A common stock share price (in dollars per share)		4.44
Maximum
Entity Information [Line Items]
Class A common stock share price (in dollars per share)		12.87