Goodwill & Intangible Assets (Tables)

12 Months Ended

Sep. 29, 2017

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 25, 2015	$	307,708
Translation adjustments	1,908
Balance at September 30, 2016	$	309,616
Translation adjustments	1,471
Balance at September 29, 2017	$	311,087

Schedule of Finite-Lived Intangible Assets

Intangible assets are stated at their original cost less accumulated amortization. Intangible assets subject to amortization consisted of the following (in thousands):

	September 29, 2017							September 30, 2016
Intangible Assets, Net	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Acquired patents and technology	$	299,707	$	(128,986	)	$	170,721	$	293,824	$	(101,711	)	$	192,113
Customer relationships	56,843		(38,368		)	18,475		56,821		(34,113		)	22,708
Other intangibles	22,742		(22,290		)	452		22,716		(22,195		)	521
Total	$	379,292	$	(189,644	)	$	189,648	$	373,361	$	(158,019	)	$	215,342

Future Amortization Expense

As of September 29, 2017, expected amortization expense of our intangible assets in future periods was as follows (in thousands):

Fiscal Year	Amortization Expense
2018	$	25,581
2019	24,908
2020	24,445
2021	24,418
2022	22,191
Thereafter	68,105
Total	$	189,648