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Business Combinations - Intangible Assets Acquired (Details) - USD ($)
$ in Thousands
9 Months Ended
Jul. 01, 2021
Sep. 30, 2021
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years)   14 years
Unpatented technology    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years)   13 years
Customer relationships    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years)   13 years
L.A. Turbine    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years) 14 years 2 months 12 days  
Finite-lived intangible assets $ 35,800  
Acquired Indefinite-lived Intangible Assets [Line Items]    
Total intangible assets acquired 43,700  
L.A. Turbine | Trademarks and trade names    
Acquired Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets acquired $ 7,900  
L.A. Turbine | Unpatented technology    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years) 14 years 6 months  
Finite-lived intangible assets $ 33,400  
L.A. Turbine | Customer relationships    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years) 14 years 6 months  
Finite-lived intangible assets $ 1,500  
L.A. Turbine | Backlog    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years) 2 years 6 months  
Finite-lived intangible assets $ 700  
L.A. Turbine | Other identifiable intangible assets    
Acquired Finite-Lived Intangible Assets    
Weighted Average Useful Life (in years) 3 years 4 months 24 days  
Finite-lived intangible assets $ 200