Note 2 - Business Acquisitions, Goodwill and Purchased Intangible Assets (Tables)

9 Months Ended

Sep. 28, 2019

Notes Tables

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	Estimated Fair Value		Weighted Average Useful Life (years)
Developed technology	$	194,600		7.8
Customer relationships		65,890		10.6
In-process research and development		36,360		indefinite
Product backlog		6,410		0.8
Trademarks and trade names		16,800		11.0
Favorable leases		1,100		5.5
Total intangible assets	$	321,160

	September 28, 2019						December 29, 2018
					Remaining
					Weighted
					Average
	Gross				Amort.		Gross
	Carrying		Accum.		Period		Carrying		Accum.
	Amount		Amort.		(in years)		Amount		Amort.
Developed technology	$	223,454	$	42,021		6.8	$	214,266	$	21,197
Customer relationships		71,720		12,815		9.5		73,104		7,378
Trade names		22,384		3,339		9.8		22,701		1,807
Backlog		6,279		6,279		0		6,372		4,696
Favorable leases*		-		-		4.6		1,100		62
Covenant not-to-compete		326		90		7.3		314		63
Total intangible assets	$	324,163	$	64,544			$	317,857	$	35,203

Schedule of Goodwill [Table Text Block]

	Semiconductor Test
	& Inspection (1)			PCB Test			Total
Balance, December 30, 2017	$	65,613		$	-		$	65,613
Additions, net		157,661			21,602			179,263
Impact of currency exchange		(2,466	)		(283	)		(2,749	)
Balance, December 29, 2018		220,808			21,319			242,127
Adjustments (2)		2,117			(983	)		1,134
Impact of currency exchange		(6,603	)		(755	)		(7,358	)
Balance, September 28, 2019	$	216,322		$	19,581		$	235,903

Xcerra [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Fair Value at			Measurement			Adjusted
	Acquisition Date			Period Adjustments*			Fair Value
Current assets, including cash received	$	375,990					$	375,990
Property, plant and equipment		40,729						40,729
Other assets		2,109			(1,058	)		1,051
Intangible assets		321,160						321,160
Goodwill		179,263			1,134			180,397
Total assets acquired		919,251						919,327
Liabilities assumed		(124,821	)		(76	)		(124,897	)
Net assets acquired	$	794,430					$	794,430