Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment, Net [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consisted of the following amounts:

(DOLLARS IN THOUSANDS)	December 31,
	2017			2016
Asset Type
Land	$	39,006		$	36,366
Buildings and improvements	560,939			519,947
Machinery and equipment	1,162,164			1,052,114
Information technology	186,891			182,153
Construction in process	141,755			122,753
Total Property, Plant and Equipment	2,090,755			1,913,333
Accumulated depreciation	(1,210,175		)	(1,137,617		)
Total Property, Plant and Equipment, Net	$	880,580		$	775,716