v3.26.1
Revenue Recognition - Additional Information (Details 1) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Contract with customer, asset, after allowance for credit loss, total $ 3,875 $ 6,117
Revenue, Remaining Performance Obligation, Amount 21,401  
Customer Deposits    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue recognized 12,061  
Deferred Revenue    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue recognized   4,436
Puerto Rico Early Warning System    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Contract with customer, asset, after allowance for credit loss, total 3,584 $ 6,025
Revenue, Remaining Performance Obligation, Amount 10,319  
Puerto Rico Early Warning System | Customer Deposits    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, Remaining Performance Obligation, Amount $ 10,117