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LEASES - Schedule of Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Operating Leases, After Adoption of 842
2020 (excluding the nine months ended September 26, 2020)	$ 7,846
2021	30,704
2022	26,432
2023	23,321
2024	22,636
Thereafter	94,238
Total minimum future lease payments	205,177
Less: Imputed interest	33,729
Total lease liabilities	171,448	$ 136,609
Finance Leases, After Adoption of 842
2020 (excluding the nine months ended September 26, 2020)	1,134
2021	3,904
2022	3,342
2023	3,030
2024	2,810
Thereafter	22,511
Total minimum future lease payments	36,731
Less: Imputed interest	8,948
Total lease liabilities	$ 27,783	$ 30,527

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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