Goodwill and Intangible Assets (Tables)

9 Months Ended

Jul. 04, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by segment for the period from September 28, 2019 to July 4, 2020 are as follows (in thousands):

	OEM Laser Sources		Industrial Lasers & Systems		Total
Balance as of September 28, 2019	$	96,820	$	330,281	$	427,101
Impairment charges	—		(327,203)		(327,203)
Translation adjustments	1,827		(3,078)		(1,251)
Balance as of July 4, 2020	$	98,647	$	—	$	98,647

Schedule of Components of Amortizable Intangible Assets

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

	July 4, 2020						September 28, 2019
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Existing technology	$	43,114	$	(32,181)	$	10,933	$	193,704	$	(131,429)	$	62,275
Customer relationships	24,076		(12,503)		11,573		42,083		(21,512)		20,571
Trade name	—		—		—		5,261		(5,138)		123
Production know-how	2,300		(801)		1,499		2,300		(456)		1,844
Total	$	69,490	$	(45,485)	$	24,005	$	243,348	$	(158,535)	$	84,813

Schedule of Estimated Amortization Expense

At July 4, 2020, estimated amortization expense for the remainder of fiscal 2020, the next five succeeding fiscal years and all fiscal years thereafter are as follows (in thousands):

	Estimated Amortization Expense
2020 (remainder)	$	2,918
2021	9,404
2022	3,186
2023	2,639
2024	1,854
2025	1,852
Thereafter	2,152
Total	$	24,005