Property, Plant and Equipment

12 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

6.    Property, Plant and Equipment

Property, plant and equipment were as follows as of September 30, 2022 and 2021 (in thousands):

	September 30,
	2022		2021
Buildings, land, and land use right	$	29,581	$	4,987
Computer equipment and software		35,814		27,350
Machinery and equipment		90,700		77,217
Furniture and fixtures		5,806		2,516
Leasehold improvements		37,495		27,165
Capital projects in progress		36,644		52,435
Right-of-use Asset		2,476		2,252
		238,516		193,922
Less: accumulated depreciation and amortization		(84,046)		(63,203)
Property, plant and equipment, net	$	154,470	$	130,719

The property, plant and equipment and accumulated depreciation and amortization amounts in 2021 in the table above have been adjusted to remove certain fully depreciated assets.

Depreciation expense was $21.9 million, $19.5 million and $18.7 million, respectively, for the fiscal years ended September 30, 2022, 2021, and 2020. The Company recorded $9.2 million of additions to property, plant and equipment for which cash payments had not yet been made as of September 30, 2022.