Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jan. 02, 2016

Goodwill and Other Intangible Assets

Summary of goodwill activity

        The following summarizes the activity in goodwill for the years ended January 2, 2016 and January 3, 2015 (in thousands):

	Year Ended
	January 2, 2016		January 3, 2015
Beginning balance	$	228,781	$	228,781
Additions due to business combinations		43,941		—
Ending balance	$	272,722	$	228,781

Schedule of gross carrying amount and accumulated amortization of other intangible assets

        The gross carrying amount and accumulated amortization of other intangible assets are as follows (in thousands):

		January 2, 2016					January 3, 2015
	Weighted-Average Amortization Period (Years)
		Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Intangible assets:
Subject to amortization:
Core and developed technology	9	$	170,541	$	(70,135	)	$	148,891	$	(47,894	)
Customer relationships	7		23,170		(7,259	)		14,500		(4,003	)
Patents	6		3,022		(1,763	)		3,000		(1,250	)
Trademarks	7		3,490		(952	)		2,210		(433	)
	9		200,223		(80,109	)		168,601		(53,580	)
Not subject to amortization:
In-process research and development	Not amortized		1,240		—			—		—
Total intangible assets		$	201,463	$	(80,109	)	$	168,601	$	(53,580	)

Schedule of estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years

The estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years is as follows (in thousands):

Fiscal Year
2016	$	26,677
2017		23,012
2018		20,995
2019		15,530
2020		13,298