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LEASES - Narrative (Details)
$ in Thousands
 12 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
renewal_options
Lessee, Lease, Description [Line Items]    
Estimated aggregated future lease payments $ 158,086  
Weighted average remaining lease term 9 years 10 months 24 days 11 years 7 months 6 days
Building    
Lessee, Lease, Description [Line Items]    
Right-of-use assets and lease liability $ 13,800 $ 5,900
Weighted average remaining lease term 10 years 3 months 18 days 11 years
Industrial Facility    
Lessee, Lease, Description [Line Items]    
Right-of-use assets and lease liability   $ 18,100
Number of lease extensions | renewal_options   2
Renewal option term   5 years
Number of renewal options extended | renewal_options   1
KCA Deutag    
Lessee, Lease, Description [Line Items]    
Estimated aggregated future lease payments $ 66,400  
Weighted average remaining lease term 10 years 1 month 6 days