Related Party Transactions (Details) (USD $)			3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 28, 2012	Dec. 29, 2011	Jun. 28, 2012 RCI	Jun. 30, 2011 RCI	Jun. 28, 2012 RCI	Jun. 30, 2011 RCI	Jun. 28, 2012 Prop I item	Dec. 29, 2011 Prop I	Jun. 28, 2012 NCM Inc. RCI	Jun. 30, 2011 NCM Inc. RCI	Jun. 28, 2012 NCM Inc. RCI	Jun. 30, 2011 NCM Inc. RCI	Jun. 28, 2012 DCIP RCI item	Jun. 30, 2011 DCIP RCI
Related Party Transactions
Management fee expenses			$ 1,600,000	$ 1,700,000	$ 3,100,000	$ 3,000,000
Related party receivables	89,000,000	87,100,000					9,800,000	9,800,000
Receivables related to intercompany transactions and cash management	79,200,000	77,300,000
Number of theatres subject to lease							3
Original base term of lease							15 years
Renewal extension period of the lease							10 years
Increase in related party receivables due to the timing of intercompany cash collections and disbursements							1,900,000
Maximum term of lease, excluding renewal options													12 years
Number of one-year fair value renewal options													10
Fair value renewal options term													1 year
Annual minimum rent per digital projection system, from effective date of agreement through the end of the lease term													1,000
Incremental annual minimum rent per digital projection system beginning six and half years from agreement effective date, upon certain conditions													2,000
Annual minimum rent, initial period													6 years 6 months
Leased digital projection systems, total rent													400,000	300,000
Number of digital project systems installed during the period													52
Number of screens operated, outfitted with digital projection systems													447
Extended term of exhibitor services agreement											30 years
Right of first refusal period											5 years
Period prior to end of agreement term for commencement of right of first refusal											1 year
Other operating revenues, other revenue from National CineMedia
Theatre access fees per patron									300,000	300,000	600,000	500,000
Theatre access fees per digital screen									100,000	100,000	200,000	200,000
Other NCM revenue									100,000		200,000	100,000
Amortization of ESA modification fees									100,000	100,000	200,000	200,000
Payments for beverage concessionaire advertising									(200,000)	(300,000)	(500,000)	(500,000)
Total									$ 400,000	$ 200,000	$ 700,000	$ 500,000