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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 26, 2020 USD ($) segment contract	Dec. 28, 2019 USD ($) contract	Dec. 30, 2018 USD ($)
Debt Instrument [Line Items]
Number of reportable segments | segment	3
Number of life insurance contracts | contract	44	44
Face value of life insurance contracts	$ 79,100	$ 72,700
Long-term debt, net and finance leases	(1,929,571)	(1,849,666)
Operating lease right-of-use assets, net	178,220	140,085
Operating lease liability	$ 180,269	$ 136,609
Cumulative Effect, Period of Adoption, Adjustment
Debt Instrument [Line Items]
Long-term debt, net and finance leases			$ 26,000
Operating lease right-of-use assets, net			134,000
Operating lease liability			$ 127,000
Minimum
Debt Instrument [Line Items]
Company's ownership percentage	1.00%
Renewal term for leases	1 year
Maximum
Debt Instrument [Line Items]
Company's ownership percentage	12.00%
Renewal term for leases	5 years

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Face value (death benefits) of the life insurance policies underlying the life settlement contracts accounted for under the investment method.

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Number of life settlement contracts accounted for under the investment method.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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