Goodwill and Intangible Assets

6 Months Ended

Mar. 26, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill

The following table outlines changes to the carrying amount of goodwill (in thousands):

	Goodwill
Balance at September 25, 2020	$	336,945
Translation adjustments	1,290
Balance at March 26, 2021	$	338,235

Intangible Assets

Our intangible assets are stated at their original cost less accumulated amortization, and principally consist of acquired technology, patents, trademarks, customer relationships and contracts. Intangible assets subject to amortization consist of the following (in thousands):

	March 26, 2021						September 25, 2020
Intangible Assets	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Acquired patents and technology	$	342,807	$	(220,006)	$	122,801	$	342,637	$	(206,123)	$	136,514
Customer relationships	64,746		(50,807)		13,939		64,740		(49,062)		15,678
Other intangibles	22,976		(22,772)		204		22,969		(22,730)		239
Total	$	430,529	$	(293,585)	$	136,944	$	430,346	$	(277,915)	$	152,431

During fiscal 2020, we purchased various patents for purchase consideration of $2.9 million, and upon acquisition, these intangible assets had a weighted-average useful life of 14.0 years. These intangible assets facilitate our R&D efforts, technologies, and potential product offerings.

Amortization expense for our intangible assets is included in cost of licensing, cost of products and services, R&D, S&M, and G&A expenses in our condensed consolidated statements of operations. Amortization expense was $7.3 million and $7.6 million in the second quarter of fiscal 2021 and 2020, respectively, and $14.6 million and $14.8 million in the fiscal year-to-date period ended March 26, 2021 and March 27, 2020, respectively. As of March 26, 2021, expected amortization expense of our intangible assets in future fiscal periods was as follows (in thousands):

Fiscal Year	Amortization Expense
Remainder of 2021	$	15,448
2022	28,291
2023	23,923
2024	21,894
2025	6,840
Thereafter	40,548
Total	$	136,944