Property, Plant and Equipment

6 Months Ended

Jun. 25, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

	June 25, 2017			December 31, 2016
(Dollars in thousands)
Land and buildings	$	134,030		$	67,915
Machinery and equipment	681,324			485,185
Leasehold improvements and others	10,539			4,868
Construction in progress	46,534			26,301
	872,427			584,269
Accumulated depreciation	(370,820		)	(356,866		)
Property, plant and equipment, net	$	501,607		$	227,403

Depreciation expense was $19.5 million and $17.3 million for the twenty-six weeks ended June 25, 2017 and June 26, 2016, respectively.