Purchased Intangible Assets

6 Months Ended

Jun. 27, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Purchased Intangible Assets

NOTE 6. Purchased Intangible Assets

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 June 27, 2020	$	307,626

Purchased intangible assets as of June 27, 2020 and December 31, 2019 are as follows:

	Gross Carrying Amount		Accumulated Amortization		Net
June 27, 2020
Finite-lived intangibles:
Developed technology	$	326,777	$	89,396	$	237,381
Customer and distributor relationships		69,261		16,388		52,873
Trademarks and trade names		12,461		4,746		7,715
Total finite-lived intangible assets		408,499		110,530		297,969
In-process research and development		46,600		—		46,600
Total identifiable intangible assets	$	455,099	$	110,530	$	344,569
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

Intangible assets amortization expenses for the three and six months ended June 27, 2020 were $13,703 and $27,435, respectively.  For the three and six month periods ended June 30, 2019, intangible assets amortization expenses were $387 and $774, respectively.  Assuming no change in the gross carrying value of identifiable intangible assets and estimated lives, estimated amortization expenses for the remainder of fiscal 2020 are $26,309, and for each of the next five fiscal years estimated amortization expenses are $48,014 for 2021, $47,615 for 2022, $47,140 for 2023, $41,455 for 2024, and $24,905 for 2025.