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FAIR VALUE MEASUREMENTS - Additional information (Details) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 27, 2020 USD ($) quarter | Jun. 29, 2019 USD ($) | Jun. 27, 2020 USD ($) | Jun. 29, 2019 USD ($) | 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 | $ 33,000,000.0 | $ 0 | $ 33,000,000.0 | $ 0 |  |  |  |
Number of quarters | quarter | 12 |  |  |  |  |  |  |
Change in fair value due to change in discount rate | $ 8,600,000 |  | 8,600,000 |  |  |  |  |
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 |  |  | $ 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 | $ 176,000,000.0 |  | $ 176,000,000.0 |  |  |  | $ 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%

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