Note 2 - Goodwill and Purchased Intangible Assets (Tables)

3 Months Ended

Mar. 28, 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		(575	)		(97	)		(672	)
Balance, March 28, 2020	$	218,200		$	19,797		$	237,997

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

	March 28, 2020						December 28, 2019
					Remaining
					Weighted
					Average
	Gross				Amort.		Gross
	Carrying		Accum.		Period		Carrying		Accum.
	Amount		Amort.		(in years)		Amount		Amort.
Developed technology	$	228,061	$	57,557		6.4	$	227,619	$	49,805
Customer relationships		71,778		16,332		9.1		72,251		14,824
Trade names		22,704		4,443		9.3		22,612		3,892
Covenant not-to-compete		327		106		6.8		322		96
Total intangible assets	$	322,870	$	78,438			$	322,804	$	68,617