Note 2 - Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 27, 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		298			(17	)		281
Balance, June 27, 2020	$	219,073		$	19,877		$	238,950

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

	June 27, 2020					December 28, 2019
					Remaining
					Weighted
					Average
	Gross				Amort.	Gross
	Carrying		Accum.		Period	Carrying		Accum.
	Amount		Amort.		(in years)	Amount		Amort.
Developed technology	$	228,544	$	65,035	6.2	$	227,619	$	49,805
Customer relationships		71,965		18,152	8.9		72,251		14,824
Trade names		22,761		4,978	9.1		22,612		3,892
Covenant not-to-compete		329		115	6.5		322		96
Total intangible assets	$	323,599	$	88,280		$	322,804	$	68,617