Annual report [Section 13 and 15(d), not S-K Item 405]

LEGAL PROCEEDINGS AND OTHER MATTERS (Details)

v3.25.4
LEGAL PROCEEDINGS AND OTHER MATTERS (Details)
$ in Millions
 3 Months Ended 12 Months Ended
May 16, 2025
USD ($)
Mar. 20, 2025
USD ($)
Feb. 21, 2025
USD ($)
Jul. 12, 2023
USD ($)
Jul. 11, 2023
Dec. 06, 2019
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2020
USD ($)
Loss Contingencies                      
Accrued legal fees             $ 6.5 $ 2.1 $ 6.5    
Lufthansa | Patent Infringement                      
Loss Contingencies                      
Loss contingency accrual, provision   $ 0.5                  
Astronics Advanced Electronic Systems Corp. | Lufthansa | Patent Infringement                      
Loss Contingencies                      
Litigation settlement, amount awarded to other party     $ 11.9                
Litigation settlement, additional expense             4.8        
Loss contingency accrual             11.9   11.9    
Loss contingency, damages paid, value               21.6      
Estimated litigation liability             1.0 1.0 1.0    
Astronics Advanced Electronic Systems Corp. | Lufthansa | Patent Infringement, Reimbursement Of Legal Costs                      
Loss Contingencies                      
Loss contingency, damages paid, value $ 3.5                    
Astronics Advanced Electronic Systems Corp. | Lufthansa | Patent Infringement, Interest                      
Loss Contingencies                      
Loss contingency, damages paid, value $ 5.7                    
Astronics Advanced Electronic Systems Corp. | Lufthansa | Germany | Patent Infringement                      
Loss Contingencies                      
Litigation settlement, amount awarded to other party           $ 3.2          
Payment made                     $ 4.7
Litigation settlement interest       $ 2.8              
Interest rate accrued above bank rate until final payment       0.04 0.05            
Reclaim overpaid damages and interest       $ 1.2              
Astronics Advanced Electronic Systems Corp. | Indirect Sales | Germany | Patent Infringement                      
Loss Contingencies                      
Loss contingency, estimate of possible loss, excluding interest             11.6 11.6 11.6    
Loss contingency accrual             $ 17.1 17.6 17.1    
Astronics Advanced Electronic Systems Corp. | Indirect Sales | Germany | Patent Infringement | Selling, General and Administrative Expenses                      
Loss Contingencies                      
Litigation settlement interest               $ 0.5 $ 0.7 $ 0.7