Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment

v3.23.2
Property, Plant and Equipment
 9 Months Ended
Jun. 30, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant and equipment at June 30, 2023 and September 30, 2022 consisted of the following (in thousands):
June 30, 2023 September 30, 2022
(unaudited)
Construction equipment $ 448,736  $ 402,581 
Plants 187,514  167,625 
Mineral reserves 69,405  91,992 
Land and improvements 69,892  59,454 
Buildings 32,682  32,566 
Furniture and fixtures 7,383  7,110 
Leasehold improvements 1,268  1,230 
      Total property, plant and equipment, gross 816,880  762,558 
Accumulated depreciation, depletion and amortization (349,289) (304,935)
Construction in progress 35,141  23,789 
      Total property, plant and equipment, net $ 502,732  $ 481,412 
Depreciation, depletion and amortization expense related to property, plant and equipment was $20.2 million and $17.6 million for the three months ended June 30, 2023 and 2022, respectively, and $59.9 million and $50.4 million for the nine months ended June 30, 2023 and 2022, respectively.