Annual report pursuant to Section 13 and 15(d)

Fair Value - Narrative (Details)

v3.19.3.a.u2
Fair Value - Narrative (Details) - USD ($)
 3 Months Ended 12 Months Ended
Oct. 04, 2019
Dec. 31, 2019
Sep. 28, 2019
Jun. 29, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment Loss                   $ 1,610,000 $ 0  
Intangible asset impairment charge                     0 $ 0
Impairment loss   $ 11,083,000 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 11,083,000 0 16,237,000
Equity investment impairment                   5,000,000 0 0
Aerospace                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment Loss                   1,610,000    
Intangible asset impairment charge                   6,200,000    
Impairment loss                   9,500,000    
Other Assets                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment loss                   1,019,000    
Other Liabilities                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment loss                   0    
Recurring Basis | Level 3 | Other Assets                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Financial assets carried at fair value   0       0       0 0  
Recurring Basis | Level 3 | Other Liabilities                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Financial liabilities carried at fair value   0       $ 0       0 0  
Nonrecurring Basis | Level 3                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment Loss                   0 0  
Intangible asset impairment charge                   0 $ 0 0
Armstrong Areospace, Inc.                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Impairment Loss                       $ 16,200,000
Diagnosys Test Systems Limited                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis                        
Potential additional earn-out $ 13,000,000.0                      
Achievement period (in years) 3 years                      
Earn-out achievement benchmark $ 72,000,000.0                      
Contingent consideration, fair value   $ 2,500,000               $ 2,500,000