Property and Equipment, net

6 Months Ended

Mar. 31, 2021

Property Plant And Equipment [Abstract]

5.	Property and Equipment, net

Property and equipment, net consists of the following:

	Useful Life	March 31, 2021		September 30, 2020
Land	—	$	42.2	$	40.0
Buildings and leasehold improvements	2-40 yrs.		31.3		30.3
Operating equipment	2-7 yrs.		231.3		208.2
Transportation vehicles	3-7 yrs.		276.3		262.8
Office equipment and software	3-10 yrs.		70.5		68.1
Construction in progress	—		4.8		5.0
Property and equipment			656.4		614.4
Less: Accumulated depreciation			394.6		362.9
Property and equipment, net		$	261.8	$	251.5

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 $20.7 and $19.3 for the three months ended March 31, 2021 and 2020, respectively. Depreciation expense related to property and equipment was $42.3 and $39.5 for the six months ended March 31, 2021 and 2020, respectively.