Quarterly report [Sections 13 or 15(d)]

Property, Plant and Equipment

v3.25.1
Property, Plant and Equipment
 6 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant and equipment at March 31, 2025 and September 30, 2024 consisted of the following (in thousands):
March 31, 2025 September 30, 2024
(unaudited)
Construction equipment $ 707,351  $ 570,044 
Plants 378,462  255,214 
Mineral reserves 220,915  69,334 
Land and improvements 181,416  94,182 
Buildings 46,822  39,838 
Furniture and fixtures 8,780  8,616 
Leasehold improvements 1,431  1,268 
      Total property, plant and equipment, gross 1,545,177  1,038,496 
Accumulated depreciation, depletion and amortization (478,255) (426,842)
Construction in progress 36,470  18,270 
      Total property, plant and equipment, net $ 1,103,392  $ 629,924 
Depreciation, depletion and amortization expense related to property, plant and equipment was $36.2 million and $23.1 million for the three months ended March 31, 2025 and 2024, respectively, and $66.5 million and $44.1 million for the six months ended March 31, 2025 and 2024, respectively.