Property, Plant and Equipment - Schedule (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Property, Plant and Equipment [Line Items]
Right-of-use Asset	$ 2,476	$ 2,252
Property, plant and equipment, at cost	238,516	193,922
Accumulated amortization	(84,046)	(63,203)
Property, plant and equipment, net	154,470	130,719
Buildings, land, and land use right
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	29,581	4,987
Computer Equipment and Capitalized Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	35,814	27,350
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	90,700	77,217
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,806	2,516
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	37,495	27,165
Capital projects in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 36,644	$ 52,435