As of September 28, 2026 and December 29, 2025, goodwill for A&D was $287,499. In connection with the Company’s strategic segment realignment during the quarter ended March 30, 2026, the RF&S Components reporting unit is now included as part of A&D. Management performed a goodwill impairment assessment over the $31,300 goodwill for the RF&S Components reporting unit and concluded no impairment indicators existed either before or after the realignment.

As of September 28, 2026 and December 29, 2025, goodwill for Commercial was $585,166 and $382,636, respectively. Goodwill recognized from the STG acquisition for the three quarters ended September 28, 2026 was $202,530 attributable to the Commercial reporting unit.

The components of definite-lived intangibles were as follows:


	Gross Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
	(In thousands)							(In years)
As of September 28, 2026
Customer relationships	$	323,500	$	(209,930	)	$	113,570		11.8
Technology		66,650		(52,970	)		13,680		8.2
Acquired intangibles from acquisition
Customer relationships		65,000		—			65,000		11.5
Technology		40,000		—			40,000		8.0
Trade names		6,000		—			6,000		6.0
Total	$	501,150	$	(262,900	)	$	238,250

As of December 29, 2025
Customer relationships	$	323,500	$	(189,264	)	$	134,236		11.8
Technology		66,650		(45,964	)		20,686		8.2
Total	$	390,150	$	(235,228	)	$	154,922

Definite-lived intangibles are amortized using the straight-line method of amortization over the useful life. Amortization expense was as follows:


	For the Quarter Ended				For the Three Quarters Ended
	September 28, 2026		September 29, 2025		September 28, 2026		September 29, 2025
	(In thousands)
Total amortization expense	$	9,224	$	9,225	$	27,672	$	27,673
Amortization expense in cost of goods sold		2,335		2,336		7,006		7,007