LEASES (Narrative) (Details) $ in Millions			1 Months Ended	12 Months Ended
	Dec. 31, 2015 USD ($)	Mar. 27, 2015 USD ($) property	Dec. 31, 1995 Property	Dec. 31, 2015 USD ($)	Jan. 01, 2015 USD ($) property	Dec. 26, 2013 USD ($)
Sale Leaseback Transaction [Line Items]
Operating leases, Period to be exceeded (in years)				1 year
Rent expense under operating leases				$ 421.5	$ 423.4	$ 413.6
Contingent rent expense				22.7	23.7	23.7
Landlord contributions received from amended lease financing arrangements				3.9	$ 0.0	$ 0.0
United Artists Theatre Circuit Inc
Sale Leaseback Transaction [Line Items]
Number of owned properties | Property			31
Number of theatres subject to sale and leaseback transaction | property					9
Principal amount of pass through certificates					$ 7.7
United Artists Theatre Circuit Inc | United Artists Theatre Circuit Inc
Sale Leaseback Transaction [Line Items]
Number of theatres subject to sale and leaseback transaction | property		9
Rent payment reimbursed		$ 4.9
Landlord contributions received from amended lease financing arrangements	$ 1.6	$ 3.2
Number of theatres requiring renovations | property		3
Landlord contribution receivable	$ 3.2			$ 3.2
Lease period (in years)				15 years
Number of theatres not requiring renovations | property		6