Property, Plant, and Equipment

3 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment at December 31, 2019 and September 30, 2019 consisted of the following (in thousands):

	December 31, 2019		September 30, 2019
	(unaudited)
Construction equipment	$	239,486	$	214,500
Plants	94,743		92,279
Land and improvements	36,325		34,365
Quarry reserves	20,594		20,678
Buildings	16,833		15,458
Furniture and fixtures	5,072		4,864
Leasehold improvements	1,135		1,135
Total property, plant and equipment, gross	414,188		383,279
Accumulated depreciation, depletion and amortization	(186,106)		(177,927)
Construction in progress	1,420		518
Total property, plant and equipment, net	$	229,502	$	205,870

Depreciation and depletion expense related to property, plant and equipment was $9.4 million and $6.9 million for the three months ended December 31, 2019 and 2018, respectively.