Revenue (Tables)

3 Months Ended

Jan. 02, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

We disaggregate our revenue by reportable segment, sales type (product or service), the timing of recognition of revenue for transfer of goods or services to customers (point-in-time or over time), and geographic market based on the billing location of the customer. See Note 14 for further information on our reportable segments and intersegment revenue.

	Three Months Ended
	January 2, 2021								December 28, 2019
	Test & Simulation		Sensors		Intersegment		Total		Test & Simulation		Sensors		Intersegment		Total
Sales type
Product	$	90,933	$	84,029	$	(222)	$	174,740	$	95,496	$	83,774	$	(412)	$	178,858
Service	22,290		1,774		—		24,064		25,234		1,761		(10)		26,985
Total revenue	$	113,223	$	85,803	$	(222)	$	198,804	$	120,730	$	85,535	$	(422)	$	205,843
Timing of recognition
Point-in-time	$	46,702	$	77,773	$	(222)	$	124,253	$	60,104	$	77,163	$	(422)	$	136,845
Over time	66,521		8,030		—		74,551		60,626		8,372		—		68,998
Total revenue	$	113,223	$	85,803	$	(222)	$	198,804	$	120,730	$	85,535	$	(422)	$	205,843
Geographic market
Americas	$	26,382	$	41,577	$	(222)	$	67,737	$	37,848	$	46,545	$	(422)	$	83,971
Europe	37,525		23,942		—		61,467		26,515		22,542		—		49,057
Asia	49,316		20,284		—		69,600		56,367		16,448		—		72,815
Total revenue	$	113,223	$	85,803	$	(222)	$	198,804	$	120,730	$	85,535	$	(422)	$	205,843

Contract Assets and Contract Liabilities

Contract assets and contract liabilities are as follows:

	January 2, 2021		October 3, 2020
Contract assets	$	80,673	$	84,685
Contract liabilities	90,052		90,354

Significant changes in contract assets and contract liabilities are as follows:

	Contract Assets
Balance, October 3, 2020	$	84,685
Changes in estimated stage of completion	33,602
Transfers to accounts receivable, net	(33,128)
Other	(4,486)
Balance, January 2, 2021	$	80,673
	Contract Liabilities
Balance, October 3, 2020	$	90,354
Revenue recognized included in balance at beginning of period	(25,519)
Increases due to payments received, excluding amounts recognized as revenue during period	30,236
Other	(5,019)
Balance, January 2, 2021	$	90,052