v3.26.3
ACQUISITIONS - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 10, 2026
Nov. 19, 2025
Oct. 24, 2025
Aug. 06, 2025
May 02, 2025
Sep. 30, 2026
Sep. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Business Combination [Line Items]                        
Accrued contract loss provision, current           $ 23,100 $ 23,100     $ 23,100   $ 589
Goodwill           371,825 371,825     371,825   157,674
Astrobotic                        
Business Combination [Line Items]                        
Acquired equity securities 100.00%                      
Business combination, consideration transferred $ 275,400                      
Cash consideration 96,100                      
Equity interest 63,100                      
Contingent consideration 116,200                      
Contingent consideration, settled amount           69,500            
Payment for contingent consideration liability           38,200            
Contingent consideration settled in equity           31,300            
Contingent consideration maximum amount           59,300 59,300     59,300    
Acquisition-related costs             2,400     2,400    
Accrued contract loss provision, current           53,900 53,900     53,900    
Depreciation and amortization adjustments             300   $ 2,800 5,900 $ 8,500  
Property and equipment 36,495                      
Goodwill 213,639                      
Liability assumed $ 124,452                      
Astrobotic | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent                        
Business Combination [Line Items]                        
Accrued contract loss provision, current           19,900 19,900     19,900    
Astrobotic | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent                        
Business Combination [Line Items]                        
Accrued contract loss provision, current           34,000 34,000     34,000    
Astrobotic | Developed technology                        
Business Combination [Line Items]                        
Intangible assets           $ 78,600 78,600     78,600    
ExoTerra                        
Business Combination [Line Items]                        
Acquired equity securities     100.00%                  
Business combination, consideration transferred     $ 93,400                  
Cash consideration     69,400                  
Equity interest     10,800                  
Contingent consideration     7,400                  
Working capital adjustment     5,800                  
Payment of working capital adjustment               $ 5,800        
Property and equipment     6,240                  
Goodwill     57,290                  
Liability assumed     $ 18,319                  
Estes                        
Business Combination [Line Items]                        
Acquired equity securities   100.00%                    
Business combination, consideration transferred   $ 64,100                    
Cash consideration   54,600                    
Equity interest   9,500                    
Property and equipment   12,716                    
Goodwill   28,276                    
Liability assumed   $ 20,832                    
ExoTerra and Estes                        
Business Combination [Line Items]                        
Liabilities incurred             $ 0     $ 0   $ 3,500
ElectroMagnetic Systems, Inc.                        
Business Combination [Line Items]                        
Acquired equity securities       100.00%                
Business combination, consideration transferred       $ 32,700                
Cash consideration       27,000                
Equity interest       5,700                
Property and equipment       3,900                
Intangible assets       9,600                
Goodwill       21,600                
Liability assumed       $ 2,400                
ElectroMagnetic Systems, Inc. | Minimum                        
Business Combination [Line Items]                        
Intangible asset, useful life       2 years                
ElectroMagnetic Systems, Inc. | Maximum                        
Business Combination [Line Items]                        
Intangible asset, useful life       10 years                
ElectroMagnetic Systems, Inc. | Developed technology                        
Business Combination [Line Items]                        
Intangible assets       $ 5,400                
ElectroMagnetic Systems, Inc. | Customer Relationships/Backlog                        
Business Combination [Line Items]                        
Intangible assets       $ 3,800                
Optical Physics Company, Inc.                        
Business Combination [Line Items]                        
Acquired equity securities         100.00%              
Business combination, consideration transferred         $ 9,500              
Cash consideration         6,700              
Equity interest         1,000              
Liabilities incurred         1,800              
Property and equipment         2,100              
Intangible assets         5,500              
Goodwill         4,000              
Liability assumed         $ 2,100              
Amortization period         5 years