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FAIR VALUE MEASUREMENTS - Additional information (Details)
3 Months Ended 9 Months Ended
Sep. 26, 2020
USD ($)
Jun. 27, 2020
USD ($)
quarter
Sep. 28, 2019
USD ($)
Sep. 26, 2020
USD ($)
Sep. 28, 2019
USD ($)
Feb. 29, 2020
USD ($)
Feb. 24, 2020
USD ($)
Dec. 28, 2019
USD ($)
Mar. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Payment for contingent consideration $ 6,000,000.0 $ 33,000,000.0 $ 0 $ 39,000,000.0 $ 0        
Number of quarters | quarter   12              
Change in fair value due to change in discount rate 7,600,000     7,600,000          
Consolidated Aerospace Manufacturing (CAM)                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Obligation to make future payments   $ 155,300,000         $ 155,300,000    
Consolidated Aerospace Manufacturing (CAM) | Maximum                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Obligation to make future payments           $ 200,000,000.0      
Craftsman                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Contingent consideration liabilities $ 186,800,000     $ 186,800,000       $ 196,100,000  
Craftsman | Minimum                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Percentage of sales                 2.50%
Craftsman | Maximum                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Percentage of sales                 3.50%