Deferred Revenue and Customer Advances (Tables)

3 Months Ended

Apr. 04, 2021

Revenue Recognition and Deferred Revenue [Abstract]

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:

	April 4,		December 31,
	2021		2020
	(in thousands)
Maintenance, service and training	$	78,321	$	77,654
Customer advances, undelivered elements and other		67,721		63,438
Extended warranty		53,908		51,929
Total deferred revenue and customer advances	$	199,950	$	193,021