Goodwill and Purchased Intangible Assets - (Tables)

12 Months Ended

Dec. 26, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

The changes in the carrying amount of goodwill are as follows:

Balance at December 31, 2018	$	22,495
Acquired goodwill (Note 3)		284,653
Balance at December 31, 2019		307,148
Goodwill adjustments (Note 3)		(516	)
Balance at December 26, 2020	$	306,632

Schedule of Purchased Intangible Assets

Purchased intangible assets as of December 26, 2020 and December 31, 2019 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
December 26, 2020
Finite-lived intangible assets:
Developed technology	$	326,877	$	110,851	$	216,026
Customer and distributor relationships		69,261		20,654		48,607
Trademarks and trade names		12,461		5,337		7,124
Total finite-lived intangible assets		408,599		136,842		271,757
In-process research and development		46,600		—		46,600
Total identifiable intangible assets	$	455,199	$	136,842	$	318,357
December 31, 2019
Finite-lived intangible assets:
Developed technology	$	326,726	$	67,861	$	258,865
Customer and distributor relationships		69,261		11,078		58,183
Trademarks and trade names		12,461		4,156		8,305
Total finite-lived intangible assets		408,448		83,095		325,353
In-process research and development		46,600		—		46,600
Total identifiable intangible assets	$	455,048	$	83,095	$	371,953