SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Intangible Assets) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Jan. 01, 2015	Dec. 26, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible asset	$ 67,100,000	$ 67,100,000
Accumulated amortization	16,900,000	13,200,000
Amortization expenses pertaining to intangible assets acquired	3,700,000	3,700,000	$ 3,300,000
Asset impairment charges	15,600,000	5,600,000	9,500,000
Consolidated Theatres
Finite-Lived Intangible Assets [Line Items]
Asset impairment charges	0	$ 0	$ 1,500,000
Favorable Leases
Finite-Lived Intangible Assets [Line Items]
Intangible asset	66,000,000
Accumulated amortization	$ 16,300,000