Property, Plant, and Equipment, net

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

7. Property, Plant and Equipment, net

Property, plant and equipment, net consists of the following (in millions):


	September 30, 2021		December 31, 2020


Equipment, furniture and fixtures, and software	$	169.2	$	113.7
Building and leasehold improvements	43.3		41.0
Land	24.1		24.1
Construction in progress	13.4		3.1
Plant and transportation equipment	8.3		4.4
	258.3		186.3
Less: Accumulated depreciation	90.1		73.5
Total	$	168.2	$	112.8

Depreciation expense was $7.8 million and $5.3 million for the three months ended September 30, 2021 and 2020, respectively. These amounts included $3.4 million and $2.3 million of depreciation expense recognized within cost of revenue for each of the three months ended September 30, 2021 and 2020.

Depreciation expense was $17.7 million and $15.6 million for the nine months ended September 30, 2021 and 2020, respectively. These amounts included $8.4 million and $6.9 million of depreciation expense recognized within cost of revenue for each of the nine months ended September 30, 2021 and 2020.