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Cash and Cash Equivalents
6 Months Ended
Jul. 02, 2011
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents
(2) Cash and Cash Equivalents:
The Company considers all highly liquid debt and investment instruments purchased with a maturity of three months or less to be cash equivalents.
                 
    July 2, 2011     December 31, 2010  
 
Cash and cash equivalents:
               
Money market and other short-term funds
  $ 210,473,000     $ 275,547,000  
Time deposits, other interest bearing accounts, and other cash
    12,794,000       11,101,000  
 
 
  $ 223,267,000     $ 286,648,000