Debt (Cinemas 1, 2, 3 Term Loan And Line Of Credit) (Narrative) (Details) - USD ($) $ in Thousands				6 Months Ended	12 Months Ended
		Jun. 27, 2016	Jun. 26, 2016	Jun. 30, 2016	Dec. 31, 2015	Jul. 01, 2016
Debt Instrument [Line Items]
Contractual facility				$ 203,436	$ 207,075
US Cinema 1, 2, 3 Term Loan [Member]
Debt Instrument [Line Items]
Contractual facility	[1]			$ 15,000	$ 15,000
Maturity date	[1]			Oct. 01, 2016	Jul. 01, 2016
US Cinema 1, 2, 3 Term Loan [Member] | Sutton Hill Capital, LLC [Member]
Debt Instrument [Line Items]
Ownership percentage by parent				75.00%
Contractual facility		$ 15,000
Maturity date		Oct. 01, 2016	Jul. 01, 2016
US Cinema 1, 2, 3 Term Loan [Member] | Subsequent Event [Member] | Sutton Hill Capital, LLC [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 6,000

[1] The loans for our Cinema 1,2,3 and Minetta & Orpheum Theatres were obtained from Bank of Santander. The Union Square line of credit was obtained through East West Bank.