Deferred Revenue and Customer Advances (Tables)

9 Months Ended

Oct. 03, 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:

	October 3, 2021		December 31, 2020
	(in thousands)
Maintenance, service and training	$	83,046	$	77,654
Extended warranty		67,482		51,929
Customer advances, undelivered elements and other		49,874		63,438
Total deferred revenue and customer advances	$	200,402	$	193,021