Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details 1)

v2.4.0.6
Fair Value of Financial Instruments (Details 1) (Recurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements $ 293 $ 1,182
Deferred director stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements 263 1,149
Phantom stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements 30 33
Quoted Prices in Active Markets (Level 1) [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements 293 1,182
Quoted Prices in Active Markets (Level 1) [Member] | Deferred director stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements 263 1,149
Quoted Prices in Active Markets (Level 1) [Member] | Phantom stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements 30 33
Significant Other Observable Inputs (Level 2) [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements      
Significant Other Observable Inputs (Level 2) [Member] | Deferred director stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements      
Significant Other Observable Inputs (Level 2) [Member] | Phantom stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements      
Significant Unobservable Inputs (Level 3) [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements      
Significant Unobservable Inputs (Level 3) [Member] | Deferred director stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements      
Significant Unobservable Inputs (Level 3) [Member] | Phantom stock units [Member]
    
Schedule of liabilities measured at fair value on a recurring basis    
Total recurring fair value measurements