Property and Equipment, net

12 Months Ended

Sep. 30, 2025

Property, Plant and Equipment [Abstract]

Property and Equipment, net

6. Property and Equipment, net

Property and equipment, net consists of the following:

	Useful Life	September 30, 2025		September 30, 2024
Land	—	$	42.9	$	42.9
Buildings and leasehold improvements	2-40 yrs.		48.5		46.7
Operating equipment	2-7 yrs.		443.3		388.3
Transportation vehicles	3-7 yrs.		491.9		403.1
Office equipment and software	3-10 yrs.		56.3		48.6
Construction in progress	—		9.6		4.9
Property and equipment			1,092.5		934.5
Less: Accumulated depreciation			550.9		542.6
Property and equipment, net		$	541.6	$	391.9

Construction in progress includes costs incurred for software and other assets that have not yet been placed in service. Depreciation expense related to property and equipment was $142.2, $108.4 and $105.2 for the years ended September 30, 2025, September 30, 2024 and September 30, 2023, respectively.