Goodwill and Acquired Intangibles (Tables)

12 Months Ended

Dec. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill during fiscal 2017 and 2016 were as follows:

	Gross Carrying Amount
	(In thousands)
Balance as of January 2, 2016	$	551,772
Goodwill resulting from acquisitions	23,579
Effect of foreign currency translation	(2,587		)
Balance as of December 31, 2016	572,764
Goodwill resulting from acquisitions	90,218
Effect of foreign currency translation	3,027
Balance as of December 30, 2017	$	666,009

Acquired intangibles with finite lives (excluding goodwill), excluding intangibles fully amortized at end of prior fiscal year

Acquired intangibles as of December 31, 2016 were as follows, excluding intangibles that were fully amortized as of January 2, 2016:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	342,108	$	(160,178	)	$	181,930
Agreements and relationships	174,623		(100,778		)	73,845
Tradenames, trademarks and patents	9,806		(6,767		)	3,039
Total acquired intangibles	$	526,537	$	(267,723	)	$	258,814

Acquired intangibles as of December 30, 2017 were as follows, excluding intangibles that were fully amortized as of December 31, 2016:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	342,810	$	(199,529	)	$	143,281
Agreements and relationships	151,063		(90,675		)	60,388
Tradenames, trademarks and patents	10,918		(7,252		)	3,666
Total acquired intangibles with definite lives	504,791		(297,456		)	207,335
In-process technology	71,500		—			71,500
Total acquired intangibles	$	576,291	$	(297,456	)	$	278,835

Amortization of acquired intangibles

Amortization expense for fiscal 2017, 2016 and 2015, by consolidated income statement caption, was as follows:

	2017		2016		2015
	(In thousands)
Cost of product and maintenance	$	41,781	$	42,387	$	40,532
Amortization of acquired intangibles	14,716		18,095		23,716
Total amortization of acquired intangibles	$	56,497	$	60,482	$	64,248

Estimated amortization expense

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

	(In thousands)
2018	$	53,346
2019	46,239
2020	40,621
2021	36,115
2022	17,810
Thereafter	13,204
Total estimated amortization expense	$	207,335