Balance Sheet and Income Statement Details

Inventories

Components of inventories were as follows:



	As of
	September 29, 2018		September 30, 2017
	(In thousands)
Raw materials	$	1,139,585	$	834,694
Work-in-process	132,803		106,914
Finished goods	101,616		110,061
Total	$	1,374,004	$	1,051,669

Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:



	As of
	September 29, 2018			September 30, 2017
	(In thousands)
Machinery and equipment	$	1,476,903		$	1,452,648
Land and buildings	617,258			607,701
Leasehold improvements	56,190			55,688
Furniture and fixtures	23,911			22,989
Construction in progress	47,725			37,864
	2,221,987			2,176,890
Less: Accumulated depreciation and amortization	(1,579,074		)	(1,536,615		)
Property, plant and equipment, net	$	642,913		$	640,275

Depreciation expense was $112 million, $111 million and $104 million for 2018, 2017 and 2016, respectively.

Goodwill and Other Intangible Assets

Goodwill and other intangible assets are included in other noncurrent assets on the consolidated balance sheets. Net carrying values of goodwill and other intangible assets were as follows:



	As of
	September 29, 2018			September 30, 2017
	(In thousands)
Goodwill - beginning of year	$	59,126		$	59,126
Impairment	(30,610		)	—
Goodwill - end of year	$	28,516		$	59,126

Intangible assets - beginning of year	$	9,218		$	16,498
Amortization	(6,516		)	(7,280		)
Intangible assets - end of year	$	2,702		$	9,218

During the Company's annual goodwill impairment analysis, the Company concluded that the fair value of one of its CPS operating segments was below its carrying value, resulting in an impairment charge of $31 million. The fair value of the reporting unit was estimated based on the present value of future discounted cash flows.

Other Operating Expenses

Other operating expenses consisted of the following:



	Year Ended
	September 29, 2018		September 30, 2017			October 1, 2016
	(In thousands)
Amortization of intangible assets	$	2,908	$	3,672		$	3,446
Asset impairments	—		4,600			1,000
Gain on sale of long-lived assets	—		(1,451		)	—
	$	2,908	$	6,821		$	4,446

Other Income, net

The following table summarizes the major components of other income, net:



	Year ended
	September 29, 2018		September 30, 2017		October 1, 2016
	(In thousands)
Foreign exchange gains / (losses)	$	766	$	4,709	$	(415	)
Bargain purchase gain, net of tax	—		—		1,642
Other, net	3,798		2,973		2,836
Total	$	4,564	$	7,682	$	4,063