Goodwill and Acquired Intangibles (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill during fiscal 2016 and 2015 were as follows:

	Gross Carrying Amount
	(In thousands)
Balance as of January 3, 2015	$	553,767
Effect of foreign currency translation	(1,995		)
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

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 January 2, 2016 were as follows, excluding intangibles that were fully amortized as of January 3, 2015:

	Gross Carrying Amount		Accumulated Amortization			Acquired Intangibles, Net
	(In thousands)
Existing technology	$	329,627	$	(124,097	)	$	205,530
Agreements and relationships	173,325		(86,808		)	86,517
Tradenames, trademarks and patents	10,119		(5,684		)	4,435
Total acquired intangibles	$	513,071	$	(216,589	)	$	296,482

Amortization of acquired intangibles

Amortization expense for fiscal 2016, 2015 and 2014, by consolidated income statement caption, was as follows:

	2016		2015		2014
	(In thousands)
Cost of product and maintenance	$	42,387	$	40,532	$	36,907
Amortization of acquired intangibles	18,095		23,716		24,017
Total amortization of acquired intangibles	$	60,482	$	64,248	$	60,924

Estimated amortization expense

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

	(In thousands)
2017	$	56,024
2018	52,244
2019	45,238
2020	40,034
2021	35,546
Thereafter	29,728
Total estimated amortization expense	$	258,814