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Deferred Revenue And Customer Advances
 6 Months Ended
Jul. 03, 2011
Deferred Revenue And Customer Advances  
Deferred Revenue And Customer Advances

G. Deferred Revenue and Customer Advances

Deferred revenue and customer advances consist of the following and are included in short and long-term deferred revenue and customer advances.

 

     July 3,
2011		      December 31,
2010		  
     (in thousands)  

Customer advances

    $ 105,696       $ 132,559   

Maintenance, training and extended warranty

      34,739         36,626   

Undelivered elements

      7,401         5,858   

Acceptance

      951         2,083   
  

 

 

     

 

 

  

Total deferred revenue and customer advances

    $ 148,787       $ 177,126