Annual report pursuant to Section 13 and 15(d)

Acquisitions - Narrative (Details)

v3.21.4
Acquisitions - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 15, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Business Acquisition [Line Items]        
Total purchase consideration   $ 23,065 $ 0 $ 0
Goodwill   13,271 $ 0  
Trinity Air Medical, Inc        
Business Acquisition [Line Items]        
Percentage of equity interest acquired 100.00%      
Total purchase consideration $ 23,065      
EBITDA target period 3 years      
Earnout to be paid in cash, percent 70.00%      
Identifiable Intangible assets $ 11,850 11,850    
Goodwill $ 13,271 $ 13,271    
Trinity Air Medical, Inc | Period One        
Business Acquisition [Line Items]        
Earnout multiplier 12      
Trinity Air Medical, Inc | Period Two        
Business Acquisition [Line Items]        
Earnout multiplier 6      
Trinity Air Medical, Inc | Period Three        
Business Acquisition [Line Items]        
Earnout multiplier 3      
Trinity Air Medical, Inc | General and administrative        
Business Acquisition [Line Items]        
Acquisition costs $ 272