Long-term Debt and Credit Facilities (Details) (USD $)	1 Months Ended		2 Months Ended	3 Months Ended	12 Months Ended				0 Months Ended	9 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended		12 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended				12 Months Ended											12 Months Ended
	Dec. 31, 2012	Oct. 31, 2012	Nov. 30, 2012	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Apr. 30, 2007	Jan. 27, 2013 Subsequent events	Sep. 30, 2012 Maximum	Dec. 31, 2012 Maximum	Apr. 30, 2007 Term loan	Jun. 30, 2012 Term loan	Mar. 31, 2012 Term loan	Sep. 30, 2012 Term loan	Dec. 31, 2011 Term loan	Dec. 31, 2012 Term loan	Dec. 31, 2012 Term loan Subsequent events	Dec. 31, 2012 Term loan Fiscal quarter beginning June 30, 2011, through December 31, 2012	Dec. 31, 2012 Term loan Fiscal quarter beginning March 31, 2013 through December 31, 2013	Apr. 30, 2007 Term loan Base rate	Dec. 31, 2012 Term loan Base rate	Apr. 30, 2007 Term loan LIBOR Rate	Dec. 31, 2012 Term loan LIBOR Rate	Dec. 31, 2012 Revolving loan commitment	Mar. 22, 2011 Revolving loan commitment	Apr. 30, 2007 Revolving loan commitment	Dec. 31, 2012 Revolving loan commitment Subsequent events	Dec. 31, 2012 Revolving loan commitment Maximum Subsequent events	Dec. 31, 2012 Revolving loan commitment Base rate	Dec. 31, 2012 Revolving loan commitment Base rate Subsequent events	Dec. 31, 2012 Revolving loan commitment LIBOR Rate	Dec. 31, 2012 Revolving loan commitment LIBOR Rate Subsequent events	Dec. 31, 2012 Capital leases	Dec. 31, 2011 Capital leases	Dec. 31, 2012 Letters of credit	Apr. 30, 2007 Letters of credit	Dec. 31, 2012 Letters of credit Subsequent events	Dec. 31, 2012 New term loan Subsequent events
Long-term Debt and Credit Facilities
Long-term debt	$ 347,267,000				$ 347,267,000	$ 363,300,000										$ 362,601,000	$ 325,407,000								$ 21,000,000									$ 860,000	$ 699,000
Less current maturities	(346,691,000)				(346,691,000)	(10,395,000)
Long-term debt excluding current maturities	576,000				576,000	352,905,000
Maximum borrowing capacity								675,000,000				625,000,000														25,000,000	50,000,000	20,000,000								7,500,000	15,000,000	5,000,000
Quarterly payment of loan												1,562,500							2,500,000	3,750,000
Variable rate basis					LIBOR																bank's base rate	bank's base rate	LIBOR	LIBOR						bank's base rate	Base Rate	LIBOR	1-, 2- or 3-month LIBOR
Margin (as a percent)																					1.00%	4.00%	2.00%	5.00%						4.00%	1.25%	5.00%	2.25%
Dividend payments per year											5,750,000
Debt issuance cost					(312,000)	(158,000)	(1,050,000)						156,000	156,000		200,000
Debt issuance cost incurred					0	2,658,000	0
Floor rate (as a percent)					1.50%
Actual consolidated leverage ratio				4.52
Allowable consolidated leverage ratio										4.00
Limitation on indebtedness outstanding		5,000,000
Limitation on making capital expenditures		10,500,000
Minimum Consolidated EBITDA		4,543,000	8,701,000
Capital to be provided to support a proposed recapitalization of the entity	60,000,000								60,000,000
Secured credit facility for which multi-year restructuring received	346,400,000				346,400,000													346,400,000
Maturity period of new term loan resulting from restructuring of existing secured credit facility					5 years													5 years										4 years 6 months											5 years
Face amount of debt																																							346,400,000
Period after petition date but before closing date considered for interest accrual																																							90 days
Interest rate (as a percent)																																							6.75%
Percentage of principal payment on outstanding balance at closing date																																							1.00%
Percentage of eligible accounts receivable used to calculate maximum borrowing capacity																													85.00%
Fixed amount added to eligible accounts receivable to calculate the maximum borrowing capacity																													5,000,000
Percentage of appraised fair market value of eligible owned real estate added to eligible accounts receivable to calculate maximum borrowing capacity																												75.00%
Decline rate in movie revenue from prior year (as a percent)					13.00%	6.00%
Prepayment of debt													17,000,000	15,000,000		2,000,000
Outstanding letters of credit	350,000				350,000
Amount borrowed					62,000,000	75,000,000	45,000,000																		62,000,000
Amount repaid													2,500,000	2,500,000	2,500,000	8,500,000
Amount repaid					41,000,000	75,000,000	45,000,000																		41,000,000
Equipment acquired					$ 800,000	$ 100,000	$ 200,000