Property, Plant and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Following is a summary of property, plant and equipment:

	December 31, 2016		December 31, 2015
Land	$	288,633	305,943
Buildings and improvements	1,189,408		1,120,193
Machinery and equipment	3,979,349		3,750,787
Furniture and fixtures	236,183		133,857
Leasehold improvements	77,976		68,977
Construction in progress	472,226		403,500
	6,243,775		5,783,257
Less accumulated depreciation and amortization	2,873,427		2,636,139
Net property, plant and equipment	$	3,370,348	3,147,118

Additions to property, plant and equipment included capitalized interest of $5,608, $7,091 and $9,202 in 2016, 2015 and 2014, respectively. Depreciation expense was $366,233, $328,486 and $315,840 for 2016, 2015 and 2014, respectively. Included in the property, plant and equipment are capital leases with a cost of $7,986 and $8,233 and accumulated depreciation of $4,436 and $4,431 as of December 31, 2016 and 2015, respectively.