LEASES - SCHEDULE OF MATURITIES OF LEASE LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Operating leases
2020 (rest of year)	$ 10,526
2021	42,447
2022	28,568
2023	18,391
2024	14,797
Thereafter	173,371
Total lease payments	288,100
Less: Imputed interest	65,194
Total operating lease liabilities	222,906
Finance leases
2020 (rest of year)	2,129
2021	7,938
2022	6,328
2023	4,637
2024	4,594
Thereafter	165,336
Total lease payments	190,962
Less: Imputed interest	111,341
Total finance lease liabilities	79,621	$ 79,643
2020 (rest of year)	12,655
2021	50,385
2022	34,896
2023	23,028
2024	19,391
Thereafter	338,707
Total lease payments	479,062
Less: Imputed interest	176,535
Total lease liabilities	$ 302,527