Quarterly report [Sections 13 or 15(d)]

Long-term Debt and Notes Payable (Details)

v3.25.1
Long-term Debt and Notes Payable (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Dec. 03, 2024
USD ($)
day
$ / shares
Nov. 25, 2024
USD ($)
Jan. 19, 2023
USD ($)
Mar. 29, 2025
USD ($)
Mar. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Jul. 11, 2024
USD ($)
Debt Instrument              
Letters of credit outstanding       $ 2.3      
Debt issuance amortization expense       0.6 $ 0.8    
Lufthansa Technik AG | Patent Infringement              
Debt Instrument              
Loss contingency accrual       18.1      
Convertible Senior Notes Due 2030 | Convertible Debt              
Debt Instrument              
Debt face amount $ 165.0            
Debt instrument, interest rate, stated percentage 5.50%            
Debt instrument, convertible, conversion ratio 0.0436814            
Initial conversion price (in dollars per share) | $ / shares $ 22.89            
Debt instrument, convertible, threshold percentage 130.00%            
Debt instrument, convertible, threshold trading days | day 20            
Debt instrument, convertible, threshold consecutive trading days | day 30            
Convertible debt, fair value       228.4   $ 176.9  
Unamortized balance of deferred financing costs       6.0   6.3  
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit              
Debt Instrument              
Maximum borrowing capacity   $ 220.0         $ 200.0
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | Minimum              
Debt Instrument              
Commitment fee   0.25%          
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | Maximum              
Debt Instrument              
Commitment fee   0.375%          
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | SOFR              
Debt Instrument              
Basis spread on variable rate   0.10%          
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | SOFR | Minimum              
Debt Instrument              
Basis spread on variable rate   2.75%          
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | SOFR | Maximum              
Debt Instrument              
Basis spread on variable rate   3.25%          
Revolving Credit Facility | Seventh Amended and Restated Credit Agreement | Line of Credit | SOFR (at least)              
Debt Instrument              
Basis spread on variable rate   1.00%          
Revolving Credit Facility | ABL Revolving Credit Facility | Line of Credit              
Debt Instrument              
Amounts outstanding under revolving line of credit       1.1      
Remaining capacity under the credit facility       187.1      
Minimum fixed charge coverage ratio   1.10          
Debt instrument, covenant, minimum amount percentage   10.00%          
Debt instrument, covenant, minimum amount   $ 15.0          
Unamortized balance of deferred financing costs       2.7   $ 3.0  
Secured Debt | Term Loan Facility | Line of Credit              
Debt Instrument              
Maximum borrowing capacity     $ 90.0        
Interest expense       $ 3.2 $ 5.8    
Secured Debt | Term Loan Facility | Line of Credit | SOFR              
Debt Instrument              
Basis spread on variable rate     8.75%        
Secured Debt | Term Loan Facility | Line of Credit | SOFR (at least)              
Debt Instrument              
Basis spread on variable rate     2.50%