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Acquisitions - Summary of the Preliminary Allocation of Purchase Price (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Sep. 30, 2021
Apr. 01, 2021
Jan. 12, 2021
Business Acquisition [Line Items]        
Goodwill $ 109,579 $ 110,612    
June Acquisition        
Business Acquisition [Line Items]        
Cash       $ 6,046
Inventory       480
Accounts receivable       85
Prepaid expenses and other current assets       617
Property and equipment       104
Intangibles       109,700
Goodwill       53,193
Accounts payable       (870)
Accrued expenses       (2,670)
Other long-term liabilities       (24,480)
Total       $ 142,205
RMC Acquisition        
Business Acquisition [Line Items]        
Property and equipment     $ 432  
Intangibles     14,300  
Other long-term assets     410  
Goodwill     27,120  
Accrued expenses     (1,405)  
Total     $ 40,857