Note 2 - Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 25, 2022

Notes Tables

Schedule of Goodwill [Table Text Block]

	Semiconductor Test
	& Inspection			PCB Test			Total
Balance, December 26, 2020	$	230,724		$	21,580		$	252,304
Sale of PCB Test Business (1)		-			(21,899	)		(21,899	)
Impact of currency exchange		(10,933	)		319			(10,614	)
Balance, December 25, 2021		219,791			-			219,791
Impact of currency exchange		(8,257	)		-			(8,257	)
Balance, June 25, 2022	$	211,534		$	-		$	211,534

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Table Text Block]

	June 25, 2022						December 25, 2021
					Remaining
					Weighted
	Gross				Average		Gross
	Carrying		Accum.		Amort.		Carrying		Accum.
	Amount		Amort.		Period (in years)		Amount		Amort.
Developed technology	$	222,240	$	114,503		4	$	229,131	$	104,855
Customer relationships		64,027		27,939		7		65,916		26,189
Trade names		20,220		8,366		6.8		20,877		7,714
Covenant not-to-compete		261		143		4.5		308		154
Total intangible assets	$	306,748	$	150,951			$	316,232	$	138,912