Intangible Assets (Tables)

6 Months Ended

Apr. 03, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Amortization Expense of Intangible Assets

Amortization expense related to intangible assets is as follows (in thousands):

	Three Months Ended				Six Months Ended
	April 3, 2020		March 29, 2019		April 3, 2020		March 29, 2019
Cost of revenue	$	4,347	$	7,883	$	8,767	$	15,935
Selling, general and administrative	8,072		11,873		16,726		24,392
Total	$	12,419	$	19,756	$	25,493	$	40,327

Summary of Intangible Assets

Intangible assets consist of the following (in thousands):

	April 3, 2020			September 27, 2019
Acquired technology	$	179,434		$	179,682
Customer relationships	245,870			245,870
Trade name (indefinite-lived)	3,400			3,400
Total	$	428,704		$	428,952
Less accumulated amortization	(272,969		)	(247,724		)
Intangible assets — net	$	155,735		$	181,228

Summary of Activity in Intangible Assets and Goodwill

A summary of the activity in gross intangible assets and goodwill is as follows (in thousands):

	Intangible Assets
	Total Intangible Assets			Acquired Technology			Customer Relationships		Trade Name		Goodwill
Balance at September 27, 2019	$	428,952		$	179,682		$	245,870	$	3,400	$	314,727
Disposal of a fully amortized intangible asset	(248		)	(248		)	—		—		—
Currency translation adjustment	—			—			—		—		93
Balance at April 3, 2020	$	428,704		$	179,434		$	245,870	$	3,400	$	314,820

Summary of Estimated Amortization of Intangible Assets in Future Fiscal Years

As of April 3, 2020, our estimated amortization of our intangible assets in future fiscal years was as follows (in thousands):

	2020 Remaining		2021	2022	2023	2024	Thereafter	Total
Amortization expense	$	24,837	46,213	33,433	26,048	15,410	6,394	$	152,335