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Debt (Details Textual 1)
In Thousands, unless otherwise specified
9 Months Ended1 Months Ended3 Months Ended9 Months Ended9 Months Ended
Oct. 01, 2011
USD ($)
Jan. 01, 2011
USD ($)
Oct. 02, 2010
USD ($)
Sep. 30, 2011
Asian subsidiaries [Member]
USD ($)
Oct. 01, 2011
Asian subsidiaries [Member]
USD ($)
Oct. 01, 2011
CKJEA Notes and other [Member]
USD ($)
Jan. 01, 2011
CKJEA Notes and other [Member]
USD ($)
Oct. 02, 2010
CKJEA Notes and other [Member]
USD ($)
Oct. 01, 2011
CKJEA Notes Payable [Member]
USD ($)
Jan. 01, 2011
CKJEA Notes Payable [Member]
USD ($)
Oct. 02, 2010
CKJEA Notes Payable [Member]
USD ($)
Oct. 01, 2011
Italian Note [Member]
USD ($)
Oct. 01, 2011
Italian Note [Member]
EUR (€)
Jan. 01, 2011
Italian Note [Member]
USD ($)
Jan. 01, 2011
Italian Note [Member]
EUR (€)
Oct. 02, 2010
Italian Note [Member]
USD ($)
Sep. 30, 2010
Italian Note [Member]
EUR (€)
Debt (Textual) [Abstract]                 
2011 Term Loan$ 47,773$ 32,172$ 69,607  $ 43,355$ 18,802$ 48,653$ 39,027$ 18,445$ 48,653$ 0 $ 13,370 $ 13,780 
Weighted average effective interest rate     3.14%4.29%2.45%         
Short term notes renewed for additional term     no more than 12 months           
Short term notes renewed for additional term12 months                
Principal balance of loan             13,37010,000 10,000
Repayments of notes           8,6006,040    
Interest rate on senior notes             3.64%3.64%  
Short-term revolving credit facility with one lender   25,000             
Borrowings during the period    $ 0            
Credit facility bears interest   1.75% over 1-month LIBOR             
Interest rate percentage of Credit facility   1.75%