Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Schedule of property, plant and equipment

Buildings	10 - 40 years
Computer equipment and software	3 - 5 years
Machinery and equipment	2 - 7 years
Furniture and fixtures	5 years
Vehicles	3 - 7 years

Property, plant and equipment were as follows as of September 30, 2023 and 2022 (in thousands):

	September 30,
	2023		2022
Buildings, land, and land use right	$	41,870	$	29,581
Computer equipment and software		38,623		35,814
Machinery and equipment		139,858		90,700
Furniture and fixtures		7,426		5,806
Leasehold improvements		52,670		37,495
Capital projects in process		33,915		36,644
Right-of-use asset		4,718		2,476
Vehicles		1,540		—
Property, plant and equipment, gross		320,620		238,516
Less: accumulated depreciation and amortization		(114,876)		(84,046)
Property, plant and equipment, net	$	205,744	$	154,470

Schedule of intangible assets

Trademarks	5 - 13 years
Patents	8 years
Completed technology	7 - 15 years
Customer relationships	10 - 16 years
Non-competition agreements	5 years

The components of the Company’s identifiable intangible assets as of September 30, 2023 and 2022 are as follows (in thousands):

	September 30, 2023						September 30, 2022
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Patents	$	1,226	$	1,175	$	51	$	1,225	$	1,106	$	119
Completed technology		215,430		56,021		159,409		99,525		37,991		61,534
Trademarks and trade names		6,630		1,445		5,185		400		41		359
Non-competition agreements		681		568		113		681		439		242
Customer relationships		290,800		161,257		129,543		246,949		130,802		116,147
Other intangibles		869		869		—		202		202		—
Total	$	515,636	$	221,335	$	294,301	$	348,982	$	170,581	$	178,401