INVESTMENTS (Details) (USD $)	3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended							3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended				3 Months Ended	9 Months Ended		3 Months Ended		9 Months Ended			9 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 NCM Inc.	May 05, 2014 NCM Inc. Screenvision LLC	Sep. 30, 2014 NCM	Sep. 30, 2013 NCM	Sep. 30, 2014 NCM	Sep. 30, 2013 NCM	Mar. 31, 2014 NCM	Dec. 31, 2013 NCM	May 05, 2014 NCM Screenvision LLC	Sep. 30, 2014 NCM NCM tax receivable agreement	Sep. 30, 2013 NCM NCM tax receivable agreement	Sep. 30, 2014 NCM Advertising (Revenue)	Sep. 30, 2013 NCM Advertising (Revenue)	Sep. 30, 2014 NCM Advertising (Revenue)	Sep. 30, 2013 NCM Advertising (Revenue)	Dec. 31, 2013 NCM Advertising (Revenue)	Sep. 30, 2014 NCM Advertising expense	Sep. 30, 2013 NCM Advertising expense	Sep. 30, 2014 NCM Advertising expense	Sep. 30, 2013 NCM Advertising expense	Sep. 30, 2014 NCM NCM Inc.	Aug. 30, 2012 NCM Predecessor Capital units	Sep. 30, 2014 AC JV	Sep. 30, 2014 AC JV	Sep. 30, 2014 U.S. theatres and IMAX screen theatre Screen	Sep. 30, 2014 DCIP	Sep. 30, 2013 DCIP	Sep. 30, 2014 DCIP	Sep. 30, 2013 DCIP	Dec. 31, 2013 DCIP	Sep. 30, 2014 DCIP Expected	Sep. 30, 2014 Open Road Releasing, LLC, operator of ORF	Sep. 30, 2013 Open Road Releasing, LLC, operator of ORF	Sep. 30, 2014 Open Road Releasing, LLC, operator of ORF	Sep. 30, 2013 Open Road Releasing, LLC, operator of ORF	Dec. 31, 2013 Open Road Releasing, LLC, operator of ORF	Sep. 30, 2014 Other	Sep. 30, 2013 Other	Sep. 30, 2014 Other	Sep. 30, 2013 Other	Sep. 30, 2014 Maximum Investments in non-consolidated affiliates and certain other investments accounted for following the equity method
Investments
Interest in non-consolidated affiliates (as a percent)					14.96%		14.96%		14.96%																		32.00%	32.00%	50.00%	29.00%		29.00%				50.00%		50.00%							50.00%
Number of U.S. theatres																													2
Number of IMAX screens																													1
Operating Results:
Revenues	$ 196,303,000	$ 211,204,000	$ 573,161,000	$ 612,651,000			$ 100,800,000	$ 135,100,000	$ 270,900,000	$ 340,100,000																	$ 9,656,000	$ 26,219,000		$ 41,600,000	$ 46,321,000	$ 127,684,000	$ 134,398,000			$ 36,913,000	$ 24,405,000	$ 128,396,000	$ 125,839,000		$ 7,334,000	$ 5,378,000	$ 19,962,000	$ 12,314,000
Operating costs and expenses	139,146,000	139,568,000	486,048,000	465,978,000			73,800,000	83,300,000	220,300,000	241,600,000																	8,652,000	23,381,000		23,841,000	29,792,000	85,332,000	103,605,000			26,333,000	21,219,000	137,334,000	108,553,000		6,520,000	5,257,000	19,701,000	12,220,000
Net earnings (loss)	57,157,000	71,636,000	87,113,000	146,673,000			27,000,000	51,800,000	50,600,000	98,500,000																	1,004,000	2,838,000		17,759,000	16,529,000	42,352,000	30,793,000			10,580,000	3,186,000	(8,938,000)	17,286,000		814,000	121,000	261,000	94,000
The Company's recorded equity in earnings	13,087,000	14,323,000	17,300,000	38,143,000			3,249,000	7,218,000	5,258,000	15,917,000																	321,000	959,000		5,537,000	5,159,000	15,082,000	12,986,000			3,630,000	1,600,000	(4,450,000)	8,650,000		350,000	346,000	451,000	590,000
Capital contributions for projector and installation costs in excess of the cap per system for digital conversations																																			68,000
Period of agreement for which capital contributions for projector and installation costs is agreed upon																																5 years
Capital contributions for projector and installation costs in excess of the cap per system for new build locations																																			41,500
Term for payment of equipment rent, including scheduled escalations																																12 years
Amounts due from affiliate																1,458,000		1,458,000		2,266,000										322,000		322,000		663,000		2,175,000		2,175,000		2,658,000
Deferred rent liability for digital projectors																														9,107,000		9,107,000		7,747,000
Digital equipment rental expense (continuing operations)																														1,268,000	2,886,000	5,270,000	8,255,000
Capital commitment																																				10,000,000		10,000,000
Film rent payable to Open Road Films																																				202,000		202,000		1,959,000
Gross film exhibition cost on Open Road Films	220,608,000	242,006,000	689,928,000	718,725,000																																900,000	1,800,000	10,000,000	10,500,000
Number of units owned (in shares)							19,194,501		19,194,501																	17,323,782
Interest of the related party in non-consolidated affiliates after IPO (as a percent)							14.96%		14.96%
Estimated fair market value of the units							278,512,000		278,512,000
Price per share (in dollars per share)																									$ 14.51
Total transaction value						375,000,000							375,000,000
Amounts due to affiliate							1,201,000		1,201,000			2,429,000															474,000	474,000
Revenues																8,482,000	8,435,000	25,854,000	25,007,000
Expenses																					2,887,000	3,604,000	9,077,000	10,325,000
Changes in carrying amount of investment in NCM and equity in earnings of NCM
Balance at the beginning of the period									272,407,000
Receipt of common units									2,137,000
Receipt of excess cash distributions							(15,484,000)		(15,484,000)
Unrealized gain from cash flow hedge									1,136,000
Equity in earnings									7,609,000
Equity in loss from amortization of basis difference							(2,351,000)		(2,351,000)
Balance at the end of the period							265,454,000		265,454,000
Receipt under Tax Receivable Agreement														8,045,000	3,677,000
Exhibitor services agreement
Balance at the beginning of the period									(329,913,000)
Receipt of Common Units									(2,137,000)
Amortization of deferred revenue									11,420,000
Balance at the end of the period							(320,630,000)		(320,630,000)
Term of amortization of the exhibitor services agreement (ESA) with NCM									30 years
Other Comprehensive (Income)
Other comprehensive (income) at the beginning of the period									(2,282,000)
Unrealized gain from cash flow hedge									(1,136,000)
Other comprehensive (income) at the end of the period							(3,418,000)		(3,418,000)
Membership units received in ESA (in shares)											141,731
Fair value of Membership units received in ESA (in dollars per share)											$ 15.08
Cash Received (Paid)
Receipt of excess cash distributions									15,484,000
Balance at the end of the period							15,484,000		15,484,000
Equity in (Earnings) Loss
Equity in earnings									(7,609,000)
Equity in loss from amortization of basis difference							2,351,000		2,351,000
Equity in (earnings) losses of non-consolidated entities	(13,087,000)	(14,323,000)	(17,300,000)	(38,143,000)			(3,249,000)	(7,218,000)	(5,258,000)	(15,917,000)																	(321,000)	(959,000)		(5,537,000)	(5,159,000)	(15,082,000)	(12,986,000)			(3,630,000)	(1,600,000)	4,450,000	(8,650,000)		(350,000)	(346,000)	(451,000)	(590,000)
Advertising and operating expenses
Amortization of deferred revenue									(11,420,000)
Advertising (Revenue) for the period									(11,420,000)
Gross exhibition cost on Fathom Events programming																											$ 1,961,000	$ 4,476,000