Property, Plant, and Equipment (Tables)

6 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment at March 31, 2020 and September 30, 2019 consisted of the following (in thousands):

	March 31, 2020		September 30, 2019
	(unaudited)
Construction equipment	$	247,396	$	214,500
Plants	98,460		92,279
Land and improvements	40,092		34,365
Quarry reserves	20,492		20,678
Buildings	17,954		15,458
Furniture and fixtures	5,246		4,864
Leasehold improvements	1,135		1,135
Total property, plant and equipment, gross	430,775		383,279
Accumulated depreciation, depletion and amortization	(194,221)		(177,927)
Construction in progress	3,529		518
Total property, plant and equipment, net	$	240,083	$	205,870