Deferred Revenue and Customer Advances (Tables)

6 Months Ended

Jul. 02, 2017

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:

	July 2, 2017		December 31, 2016
	(in thousands)
Extended warranty	$	29,377	$	28,200
Maintenance and training		57,544		46,803
Customer advances, undelivered elements and other		26,845		32,938
Total deferred revenue and customer advances	$	113,766	$	107,941