Goodwill and intangible Assets (Tables)

6 Months Ended

Mar. 27, 2015

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 26, 2014	$	277,574
Acquired goodwill (1)	40,372
Translation adjustments	(5,077		)
Balance at March 27, 2015	$	312,869

(1) Total acquired goodwill recorded during fiscal 2015 consists of $39.7 million from the acquisition of Doremi Labs and $0.7 million from an immaterial acquisition.

Schedule of Finite-Lived Intangible Assets

Intangible assets subject to amortization consist of the following (in thousands):

	March 27, 2015							September 26, 2014
Intangible Assets, Net	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Acquired patents and technology	$	142,215	$	(68,063	)	$	74,152	$	99,262	$	(61,678	)	$	37,584
Customer relationships	56,912		(25,357		)	31,555		30,717		(22,739		)	7,978
Other intangibles	21,917		(21,255		)	662		38,694		(20,556		)	18,138
Total	$	221,044	$	(114,675	)	$	106,369	$	168,673	$	(104,973	)	$	63,700

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

As of March 27, 2015, expected amortization expense in future fiscal periods was as follows (in thousands):

Fiscal Year	Amortization Expense
Remainder Of 2015	$	9,617
2016	17,486
2017	14,535
2018	9,338
2019	8,668
Thereafter	46,725
Total	$	106,369