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Goodwill and Other Intangible Assets, Net - Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2020
Sep. 27, 2019
Oct. 02, 2020
Sep. 27, 2019
Dec. 31, 2019
Goodwill [Roll Forward]          
Gross balance at beginning of period         $ 211,566
Accumulated impairment         (16,252)
Net balance at beginning of period     $ 195,314    
Additions(1)     104,489    
Impairments $ (50,307) $ 0 (50,307) $ 0  
Foreign currency translation     3,211    
Net balance at end of period $ 252,707   195,314   $ 195,314
Percentage of Fair Value Estimate based on Income Approach 80.00%        
Percentage of Fair Value Estimate based on Market-Based Valuation Method 20.00%        
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount $ 56,100        
Aerosystems [Member]          
Goodwill [Roll Forward]          
Impairments     $ (50,300)    
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount $ 56,100