Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment in the accompanying Consolidated Balance Sheets consisted of the following amounts as of December 31, 2015 and 2014 (in thousands):

	2015			2014
Machinery and equipment	$	123,211		$	120,528
Vehicles	51,673			45,036
Furniture and fixtures	20,730			20,693
Computer hardware/software	95,993			89,638
Land, buildings and leasehold improvements	88,877			81,206
Construction in progress	5,688			6,926
	386,172			364,027
Accumulated depreciation and amortization	(264,154		)	(241,849		)
	$	122,018		$	122,178