Goodwill & Intangible Assets (Tables)

12 Months Ended

Sep. 24, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

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

	Goodwill
Balance at September 27, 2019	$	334,829
Translation adjustments	2,116
Balance at September 25, 2020	$	336,945
Acquired goodwill	3,345
Translation adjustments	404
Balance at September 24, 2021	$	340,694

Schedule of Finite-Lived Intangible Assets

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

	September 24, 2021						September 25, 2020
Intangible Assets, Net	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Acquired patents and technology	$	343,280	$	(233,789)	$	109,491	$	342,637	$	(206,123)	$	136,514
Customer relationships	65,822		(52,730)		13,092		64,740		(49,062)		15,678
Other intangible assets	22,972		(22,665)		307		22,969		(22,730)		239
Total	$	432,074	$	(309,184)	$	122,890	$	430,346	$	(277,915)	$	152,431

Future Amortization Expense

As of September 24, 2021, expected amortization expense of our intangible assets in future periods was as follows (in thousands):

Fiscal Year	Amortization Expense
2022	$	29,256
2023	24,217
2024	21,921
2025	7,009
2026	6,164
Thereafter	34,323
Total	$	122,890