Revenue (Tables)

12 Months Ended

Oct. 03, 2020

Revenue from Contract with Customer [Abstract]

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 16 for further information on our reportable segments and intersegment revenue.


	2020								2019
	Test & Simulation		Sensors		Intersegment		Total		Test & Simulation		Sensors		Intersegment		Total
Sales type
Product	$	398,324	$	328,944	$	(1,240)	$	726,028	$	455,715	$	327,663	$	(1,366)	$	782,012
Service	92,310		10,279		(31)		102,558		103,193		7,313		—		110,506
Total revenue	$	490,634	$	339,223	$	(1,271)	$	828,586	$	558,908	$	334,976	$	(1,366)	$	892,518

Timing of recognition
Point-in-time	$	231,738	$	303,420	$	(1,271)	$	533,887	$	356,907	$	313,355	$	(1,366)	$	668,896
Over time	258,896		35,803		—		294,699		202,001		21,621		—		223,622
Total revenue	$	490,634	$	339,223	$	(1,271)	$	828,586	$	558,908	$	334,976	$	(1,366)	$	892,518

Geographic market
Americas	$	144,565	$	180,332	$	(1,271)	$	323,626	$	179,421	$	168,483	$	(1,366)	$	346,538
Europe	145,758		90,670		—		236,428		120,164		104,818		—		224,982
Asia	200,311		68,221		—		268,532		259,323		61,675		—		320,998
Total revenue	$	490,634	$	339,223	$	(1,271)	$	828,586	$	558,908	$	334,976	$	(1,366)	$	892,518

Contract Assets and Contract Liabilities

Contract assets and contract liabilities are as follows:


	2020		2019
Contract assets	$	84,685	$	80,331
Contract liabilities	90,354		81,045

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


	Contract Assets
Balance, September 28, 2019	$	80,331
Changes in estimated stage of completion	128,917
Transfers to accounts receivable, net	(131,957)
Acquisitions 1	6,107
Other	1,287
Balance, October 3, 2020	$	84,685

	Contract Liabilities
Balance, September 28, 2019	$	81,045
Revenue recognized included in balance at beginning of period	(55,149)
Increases due to payments received, excluding amounts recognized as revenue during period	61,641
Acquisitions 1	3,182
Other	(365)
Balance, October 3, 2020	$	90,354

1 See Note 18 for additional information regarding acquisitions.