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FAIR VALUE MEASUREMENTS Impairment of Long-Lived tangible assets (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 26, 2020
Fair Value Disclosures [Abstract]    
Impairment of Operating lease and Other long-Lived Asset $ 1.7 $ 6.7