FAIR VALUE OF FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Jan. 01, 2015	Dec. 26, 2013	Mar. 11, 2014
Summary of financial assets and liabilities carried at fair value
Asset impairment charges	$ 15,600,000	$ 5,600,000	$ 9,500,000
Impairment charge on favorable leases	$ 0	$ 0	$ 1,500,000
Real D Inc
Summary of financial assets and liabilities carried at fair value
Remaining common shares	322,780
Publicly traded common stock price (in dollars per share)	$ 10.55	$ 11.80
Regal Cinemas 5 3/4% Senior Notes Due 2022
Summary of financial assets and liabilities carried at fair value
Interest rate on debt (as a percent)	5.75%	5.75%		5.75%
Regal 5 3/4% Senior Notes Due 2025
Summary of financial assets and liabilities carried at fair value
Interest rate on debt (as a percent)	5.75%	5.75%
Regal 5 3/4% Senior Notes Due 2023
Summary of financial assets and liabilities carried at fair value
Interest rate on debt (as a percent)	5.75%	5.75%