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FINANCIAL INSTRUMENTS - Undesignated Hedges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 03, 2021 | Jun. 27, 2020 | Jul. 03, 2021 | Jun. 27, 2020
Other, Net | Foreign Exchange Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative instruments not designated as hedging instruments, gain (loss), net | $ (7.4) | $ (6.0) | $ (23.5) | $ 6.4

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