Note 2 - Goodwill and Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 26, 2020

Notes Tables

Schedule of Goodwill [Table Text Block]

	Semiconductor Test
	& Inspection			PCB Test			Total
Balance, December 30, 2018	$	220,808		$	21,319		$	242,127
Adjustments		2,117			(983	)		1,134
Impairments		(715	)		-			(715	)
Impact of currency exchange		(3,435	)		(442	)		(3,877	)
Balance, December 28, 2019		218,775			19,894			238,669
Impact of currency exchange		4,953			719			5,672
Balance, September 26, 2020	$	223,728		$	20,613		$	244,341

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

	September 26, 2020						December 28, 2019
					Remaining
					Weighted
					Average
	Gross				Amort.		Gross
	Carrying Amount		Accum. Amort.		Period (in years)		Carrying Amount		Accum. Amort.
Developed technology	$	233,442	$	73,584		6	$	227,619	$	49,805
Customer relationships		73,165		20,282		8.7		72,251		14,824
Trade names		23,154		5,591		8.9		22,612		3,892
Covenant not-to-compete		334		125		6.3		322		96
Total intangible assets	$	330,095	$	99,582			$	322,804	$	68,617