Revenue (Tables)

6 Months Ended

Jul. 03, 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 six months ended July 3, 2021:

(In thousands)	Contract Assets		Contract Liabilities
Beginning Balance, January 1, 2021	$	17,697	$	28,641
Ending Balance, July 3, 2021	$	25,104	$	27,930

Disaggregation of Revenue

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

	Six Months Ended				Three Months Ended
(In thousands)	July 3, 2021		June 27, 2020		July 3, 2021		June 27, 2020
Aerospace Segment
Commercial Transport	$	86,001	$	170,323	$	47,793	$	67,548
Military	37,783		32,165		16,801		14,052
Business Jet	29,022		30,548		14,994		15,542
Other	17,830		10,607		9,632		5,431
Aerospace Total	170,636		243,643		89,220		102,573
Test Systems Segment
Semiconductor	—		2,822		—		1,188
Aerospace & Defense	46,379		34,813		21,938		19,933
Test Systems Total	46,379		37,635		21,938		21,121
Total	$	217,015	$	281,278	$	111,158	$	123,694

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

	Six Months Ended				Three Months Ended
(In thousands)	July 3, 2021		June 27, 2020		July 3, 2021		June 27, 2020
Aerospace Segment
Electrical Power & Motion	$	64,092	$	116,019	$	34,748	$	46,563
Lighting & Safety	51,468		65,653		24,368		27,731
Avionics	32,864		41,277		18,021		19,134
Systems Certification	1,838		4,991		960		1,660
Structures	2,544		5,096		1,491		2,054
Other	17,830		10,607		9,632		5,431
Aerospace Total	170,636		243,643		89,220		102,573
Test Systems	46,379		37,635		21,938		21,121
Total	$	217,015	$	281,278	$	111,158	$	123,694