Deferred Revenue and Customer Advances

9 Months Ended

Sep. 29, 2013

Deferred Revenue and Customer Advances

F. 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.

	September 29, 2013		December 31, 2012
	(in thousands)
Maintenance, training and extended warranty	$	56,481	$	51,198
Customer advances		22,287		39,613
Undelivered elements		9,054		6,773
Total deferred revenue and customer advances	$	87,822	$	97,584