Revenue (Tables)

9 Months Ended

Oct. 02, 2021

Revenue from Contract with Customer [Abstract]

Summary of Contract Assets and Liabilities

The following table presents the beginning and ending balances of contract assets and contract liabilities during the nine months ended October 2, 2021:

(In thousands)	Contract Assets		Contract Liabilities
Beginning Balance, January 1, 2021	$	17,697	$	28,641
Ending Balance, October 2, 2021	$	23,381	$	26,516

Disaggregation of Revenue

The following table presents our revenue disaggregated by Market Segments as follows:

	Nine Months Ended				Three Months Ended
(In thousands)	October 2, 2021		September 26, 2020		October 2, 2021		September 26, 2020
Aerospace Segment
Commercial Transport	$	143,550	$	214,390	$	57,549	$	44,067
Military	54,847		50,329		17,064		18,164
Business Jet	41,131		45,259		12,109		14,711
Other	26,874		16,213		9,044		5,606
Aerospace Total	266,402		326,191		95,766		82,548
Test Systems Segment
Semiconductor	—		3,407		—		585
Aerospace & Defense	62,454		58,186		16,075		23,373
Test Systems Total	62,454		61,593		16,075		23,958
Total	$	328,856	$	387,784	$	111,841	$	106,506

The following table presents our revenue disaggregated by Product Lines as follows:

	Nine Months Ended				Three Months Ended
(In thousands)	October 2, 2021		September 26, 2020		October 2, 2021		September 26, 2020
Aerospace Segment
Electrical Power & Motion	$	102,742	$	148,500	$	38,650	$	32,481
Lighting & Safety	76,929		90,973		25,461		25,320
Avionics	47,355		57,381		14,491		16,104
Systems Certification	7,937		5,596		6,099		605
Structures	4,565		7,528		2,021		2,432
Other	26,874		16,213		9,044		5,606
Aerospace Total	266,402		326,191		95,766		82,548
Test Systems	62,454		61,593		16,075		23,958
Total	$	328,856	$	387,784	$	111,841	$	106,506