Purchased Intangible Assets - (Tables)

9 Months Ended

Sep. 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, 2019	$	307,148
Goodwill adjustments (Note 2)		478
Balance at September 26, 2020	$	307,626

Schedule of Purchased Intangible Assets

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

	Gross Carrying Amount		Accumulated Amortization		Net
September 26, 2020
Finite-lived intangibles:
Developed technology	$	326,777	$	100,122	$	226,655
Customer and distributor relationships		69,261		19,013		50,248
Trademarks and trade names		12,461		5,041		7,420
Total finite-lived intangible assets		408,499		124,176		284,323
In-process research and development		46,600		—		46,600
Total identifiable intangible assets	$	455,099	$	124,176	$	330,923
December 31, 2019
Finite-lived intangibles:
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