Intangible Assets

12 Months Ended

Oct. 31, 2020

Intangible Assets, Net (Excluding Goodwill) [Abstract]

As of the dates indicated, intangible assets are comprised of the following (in thousands):


	October 31, 2020						November 2, 2019
	Gross Intangible		Accumulated Amortization		Net Intangible		Gross Intangible		Accumulated Amortization		Net Intangible
Developed technology	$	395,726	$	(335,512)	$	60,214	$	373,526	$	(308,261)	$	65,265

Patents and licenses	3,565		(2,529)		1,036		3,565		(2,244)		1,321
Customer relationships, covenants not to compete, outstanding purchase orders and contracts	374,659		(339,262)		35,397		374,381		(328,186)		46,195
Total intangible assets	$	773,950	$	(677,303)	$	96,647	$	751,472	$	(638,691)	$	112,781

The aggregate amortization expense of intangible assets was $38.6 million, $35.1 million and $25.8 million for fiscal 2020, fiscal 2019 and fiscal 2018, respectively. Expected future amortization of intangible assets for the fiscal years indicated is as follows (in thousands):


Fiscal Year	Amount
2021	$	35,452
2022	29,232
2023	14,422
2024	11,371
2025	6,170

	$	96,647