Deferred Revenue and Customer Advances

6 Months Ended

Jun. 29, 2014

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 on the balance sheet:

	June 29, 2014		December 31, 2013
	(in thousands)
Extended warranty	$	40,052	$	34,909
Equipment maintenance and training		26,535		22,455
Customer advances		8,926		4,825
Undelivered elements		5,831		6,971
Customer acceptance		1,616		—
Total deferred revenue and customer advances	$	82,960	$	69,160