Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Reconciliation Of Beginning And Ending Balance For Assets And Liabilities Measured At Fair Value    
Beginning balance - Assets $ 8,955 $ 0
Beginning balance - Liabilities 15,970 18,524
Total gain (loss) included in accumulated other comprehensive income ( loss ), liabilities 1,736 (2,554)
Total gain (loss) included in accumulated other comprehensive income ( loss ), Assets (8,955) 8,955
Total gain included in earnings, Liabilities (1,130)  
Total gain included in earnings, Assets 0  
Ending balance - Liabilities 16,576 15,970
Ending balance - Assets 0 8,955
Fair Value, Measurements, Recurring [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Investment in Real D 9,709 27,993
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Investment in Real D 9,709 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Investment in Real D 0 27,993
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Investment in Real D 0 0
Interest Rate Swap [Member] | Current Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities (9,979) (2,928)
Interest Rate Swap [Member] | Current Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities 0 0
Interest Rate Swap [Member] | Current Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities 0 0
Interest Rate Swap [Member] | Current Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities (9,979) (2,928)
Interest Rate Swap [Member] | Long-Term Liabilities [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities (6,597) (13,042)
Interest Rate Swap [Member] | Long-Term Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities 0 0
Interest Rate Swap [Member] | Long-Term Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities 0 0
Interest Rate Swap [Member] | Long-Term Liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap liabilities (6,597) (13,042)
Interest Rate Swap [Member] | Long-Term Asset [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap assets   8,955
Interest Rate Swap [Member] | Long-Term Asset [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap assets   0
Interest Rate Swap [Member] | Long-Term Asset [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap assets   0
Interest Rate Swap [Member] | Long-Term Asset [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Fair value measurement of assets and liabilities on recurring basis    
Interest rate swap assets   $ 8,955