Property, Plant and Equipment

12 Months Ended

Dec. 29, 2017

Property, Plant and Equipment [Abstract]

Property Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment were as follows (in thousands):

	2017			2016
Land and improvements	$	24,469		$	23,253
Buildings and improvements	145,009			132,343
Manufacturing equipment	298,719			286,742
Office, warehouse and automotive equipment	41,747			37,940
Additions in progress	18,170			9,364
Total property, plant and equipment	528,114			489,642
Accumulated depreciation	(323,816		)	(300,046		)
Net property, plant and equipment	$	204,298		$	189,596

Depreciation expense was $29.5 million in 2017, $28.8 million in 2016 and $25.7 million in 2015.