Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 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 24, 2021	$	340,694
Translation adjustments	(797)
Balance at December 31, 2021	$	339,897

Schedule of Finite-Lived Intangible Assets

Intangible assets subject to amortization consisted of the following (in thousands):

	December 31, 2021						September 24, 2021
Intangible Assets	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Acquired patents and technology	$	354,197	$	(240,438)	$	113,759	$	343,280	$	(233,789)	$	109,491
Customer relationships	65,822		(53,927)		11,895		65,822		(52,730)		13,092
Other intangible assets	22,956		(22,806)		150		22,972		(22,665)		307
Total	$	442,975	$	(317,171)	$	125,804	$	432,074	$	(309,184)	$	122,890

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of December 31, 2021, expected amortization expense of our intangible assets in future fiscal periods was as follows (in thousands):

Fiscal Year	Amortization Expense
Remainder of 2022	$	21,146
2023	24,910
2024	22,838
2025	7,768
2026	6,877
Thereafter	42,265
Total	$	125,804