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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Debt Instrument [Line Items]
Finance leases	$ 27,783	$ 30,527
Total debt and finance leases	2,031,355	1,906,192
Current portion of long-term debt	45,017	35,548
Current portion of finance leases	2,929	2,997
Current portion of long-term debt and finance leases	47,946	38,545
Long-term debt and finance leases	1,983,409	1,867,647
Debt discount and debt issuance costs	(15,248)	(17,981)
Long-term debt, net and finance leases	1,968,161	1,849,666
Term Loans
Debt Instrument [Line Items]
Long-term debt, gross	160,938	193,750
Revolving Facility
Debt Instrument [Line Items]
Long-term debt, gross	836,767	676,134
Senior Notes | 2026 Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	500,000	500,000
Senior Notes | 2028 Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	500,000	500,000
Other Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 5,867	$ 5,781

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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