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Segment Information - Schedule of Long-Lived Assets by Geographical Areas (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net $ 98,628 $ 109,457
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 58,531 62,308
Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 36,381 42,375
United Kingdom    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net $ 3,716 $ 4,774