Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Summary of property, plant and equipment and depreciation expense

Property, plant and equipment consist of the following:

	September 30, 2018			December 31, 2017
	(In thousands)
Land	$	224,589		$	224,894
Land use rights	26,845			26,845
Buildings and improvements	1,510,082			1,384,846
Machinery and equipment	5,206,050			4,938,291
Software and computer equipment	209,051			200,500
Furniture, fixtures and other equipment	16,977			15,722
Construction in progress	41,843			104,910
Total property, plant and equipment	7,235,437			6,896,008
Accumulated depreciation and amortization	(4,521,353		)	(4,200,943		)
Total property, plant and equipment, net	$	2,714,084		$	2,695,065

The following table summarizes our depreciation expense:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2018		2017		2018		2017
	(In thousands)
Depreciation expense	$	143,334	$	148,099	$	427,836	$	434,394