Goodwill and Acquired Intangibles (Tables)

6 Months Ended

Jun. 29, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill during the six months ended June 29, 2019 were as follows:

	Gross Carrying Amount
	(In thousands)
Balance as of December 29, 2018	$	662,272
Effect of foreign currency translation	441
Balance as of June 29, 2019	$	662,713

Schedule of acquired intangibles with finite and indefinite lives (excluding goodwill)

Acquired intangibles as of June 29, 2019 were as follows, excluding intangibles that were fully amortized as of December 29, 2018:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	363,143	$	(226,643	)	$	136,500
Agreements and relationships	146,452		(106,822		)	39,630
Tradenames, trademarks and patents	7,600		(5,390		)	2,210
Total acquired intangibles with definite lives	517,195		(338,855		)	178,340
In-process technology	19,500		—			19,500
Total acquired intangibles	$	536,695	$	(338,855	)	$	197,840

Acquired intangibles as of December 29, 2018 were as follows, excluding intangibles that were fully amortized as of December 30, 2017:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	330,500	$	(225,383	)	$	105,117
Agreements and relationships	146,426		(100,211		)	46,215
Tradenames, trademarks and patents	10,718		(8,093		)	2,625
Total acquired intangibles with definite lives	487,644		(333,687		)	153,957
In-process technology	71,500		—			71,500
Total acquired intangibles	$	559,144	$	(333,687	)	$	225,457

Amortization of acquired intangibles

Amortization of acquired intangibles for the three and six months ended June 29, 2019 and June 30, 2018 was as follows:

	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
	(In thousands)
Cost of product and maintenance	$	11,299	$	9,991	$	21,153	$	20,268
Amortization of acquired intangibles	3,159		3,518		6,467		7,148
Total amortization of acquired intangibles	$	14,458	$	13,509	$	27,620	$	27,416

Estimated amortization expense

Estimated amortization expense for acquired intangible assets with definite lives for the following five fiscal years and thereafter is as follows:

	(In thousands)
2019 – remaining period	$	25,461
2020	49,422
2021	44,758
2022	26,453
2023	13,967
Thereafter	18,279
Total estimated amortization expense	$	178,340