Annual report pursuant to Section 13 and 15(d)

FAIR VALUE - Narrative (Details)

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FAIR VALUE - Narrative (Details)
 3 Months Ended 12 Months Ended
Oct. 03, 2021
USD ($)
Oct. 04, 2019
USD ($)
Mar. 28, 2020
USD ($)
reportingUnit
Dec. 31, 2021
USD ($)
reportingUnit
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis            
Contingent Consideration Liability Fair Value Adjustment       $ (2,200,000) $ 0 $ 0
Number of reporting units impaired | reportingUnit     4 4    
Impairment charge $ 0     $ 0 86,312,000 1,600,000
Impairment charge to right-of-use       0 691,000  
Long-lived asset impairment charge           9,500,000
Equity investment impairment       0 3,493,000 5,000,000
Severance costs       600,000 2,600,000 2,800,000
Aerospace            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis            
Impairment charge     $ 86,300,000   86,312,000  
Intangible asset impairment charge           $ 6,200,000
Severance costs       300,000 4,900,000  
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  
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  
Nonrecurring Basis | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis            
Impairment charge       0    
Intangible asset impairment charge       0    
Diagnosys Test Systems Limited            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis            
Cash purchase price   $ 7,000,000        
Financial liabilities carried at fair value   2,500,000   0 $ 2,200,000  
Potential additional earn-out   $ 13,000,000        
Achievement period   3 years        
Earn-out achievement benchmark   $ 72,000,000        
Contingent Consideration Liability Fair Value Adjustment       $ 2,200,000