Balance Sheet and Income Statement Details

Inventories

Components of inventories were as follows:

Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:



	As of
	September 30, 2017			October 1, 2016
	(In thousands)
Machinery and equipment	$	1,452,648		$	1,401,745
Land and buildings	607,701			601,468
Leasehold improvements	55,688			53,999
Furniture and fixtures	22,989			21,834
Construction in progress	37,864			34,415
	2,176,890			2,113,461
Less: Accumulated depreciation and amortization	(1,536,615		)	(1,495,937		)
Property, plant and equipment, net	$	640,275		$	617,524

Depreciation expense was $111.5 million, $104.5 million and $96.1 million for 2017, 2016 and 2015, respectively.

Goodwill and Other Intangible Assets

Net carrying values of goodwill and other intangible assets were as follows:



	As of
	September 30, 2017			October 1, 2016
	(In thousands)
Goodwill - beginning of year	$	59,126		$	26,617
Additions	—			32,509
Goodwill - end of year	59,126			59,126

Intangible assets - beginning of year	$	16,498		$	16,588
Additions	—			7,330
Amortization	(7,280		)	(7,420		)
Intangible assets - end of year	$	9,218		$	16,498

Intangible assets have useful lives ranging from one to five years.

Other Operating Expenses

Other operating expenses consisted of the following:



	Year Ended
	September 30, 2017			October 1, 2016		October 3, 2015
	(In thousands)
Restructuring	$	1,339		$	2,701	$	13,683
Amortization of intangible assets	3,672			3,446		2,054
Asset impairment	4,600			1,000		3,454
Gain on sale of long-lived assets	(1,451		)	—		(10,807		)
	$	8,160		$	7,147	$	8,384

Other Income, net

The following table summarizes the major components of other income, net (in thousand):



	Year ended
	September 30, 2017		October 1, 2016			October 3, 2015

Foreign exchange gains / (losses)	$	4,709	$	(415	)	$	681
Bargain purchase gain, net of tax	—		1,642			—
Other, net	2,973		2,836			86
Total	$	7,682	$	4,063		$	767