Goodwill and Purchased Intangible Assets

3 Months Ended

Mar. 27, 2021

NOTE 6. Goodwill and Purchased Intangible Assets

Goodwill

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

Balance at December 26, 2020	$	306,632
Goodwill acquired during the period (Note 2)		7,259
Balance at March 27, 2021	$	313,891

Intangible Assets

Purchased intangible assets as of March 27, 2021 and December 26, 2020 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
March 27, 2021
Finite-lived intangibles:
Developed technology	$	331,747	$	121,569	$	210,178
Customer and distributor relationships		74,701		21,969		52,732
Trademarks and trade names		14,361		5,661		8,700
Total finite-lived intangible assets		420,809		149,199		271,610
In-process research and development		46,600		—		46,600
Total identifiable intangible assets	$	467,409	$	149,199	$	318,210
December 26, 2020
Finite-lived intangibles:
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

Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, future estimated amortization expenses are: