Goodwill and Intangible Assets (Tables)

6 Months Ended

Apr. 01, 2016

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	2,172
Balance at April 1, 2016	$	309,880

Schedule of Finite-Lived Intangible Assets

(in thousands):

	April 1, 2016							September 25, 2015
Intangible Assets, Net	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Acquired patents and technology	$	278,222	$	(88,261	)	$	189,961	$	172,787	$	(74,398	)	$	98,389
Customer relationships	56,826		(31,262		)	25,564		56,933		(28,275		)	28,658
Other intangibles	22,722		(22,165		)	557		22,564		(22,104		)	460
Total	$	357,770	$	(141,688	)	$	216,082	$	252,284	$	(124,777	)	$	127,507

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of April 1, 2016, estimated amortization expense in future fiscal periods was as follows (in thousands):

Fiscal Year	Amortization Expense
Remainder of 2016	$	16,140
2017	29,660
2018	24,214
2019	23,630
2020	23,405
Thereafter	99,033
Total	$	216,082