Goodwill and Intangible Assets (Tables)

6 Months Ended

Apr. 03, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill, all of which is in the OLS segment, for the period from October 3, 2020 to April 3, 2021 are as follows (in thousands):

	OEM Laser Sources
Balance as of October 3, 2020	$	101,317
Translation adjustments	636
Balance as of April 3, 2021	$	101,953

Schedule of Components of Amortizable Intangible Assets

Components of our amortizable intangible assets are as follows (in thousands):

	April 3, 2021						October 3, 2020
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Existing technology	$	37,281	$	(32,141)	$	5,140	$	46,547	$	(37,630)	$	8,917
Customer relationships	22,402		(11,819)		10,583		24,388		(12,923)		11,465
Production know-how	2,300		(1,147)		1,153		2,300		(917)		1,383
Total	$	61,983	$	(45,107)	$	16,876	$	73,235	$	(51,470)	$	21,765

Schedule of Estimated Amortization Expense

At April 3, 2021, estimated amortization expense for the remainder of fiscal 2021, the next five succeeding fiscal years and all fiscal years thereafter are as follows (in thousands):

	Estimated Amortization Expense
2021 (remainder)	$	4,801
2022	3,310
2023	2,738
2024	1,955
2025	1,955
2026	1,958
Thereafter	159
Total	$	16,876