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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 26, 2021	Mar. 27, 2021	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,725,755
Finance leases	29,153		$ 29,047
Total debt and finance leases	2,754,908		1,994,131
Current portion of long-term debt	108		47,196
Current portion of finance leases	2,913		3,018
Current portion of long-term debt and finance leases	3,021		50,214
Long-term debt and finance leases	2,751,887		1,943,917
Debt discount and debt issuance costs	(24,647)		(14,346)
Long-term debt, net and finance leases	2,727,240		1,929,571
Term Loans
Debt Instrument [Line Items]
Long-term debt, gross	0		146,875
Revolving Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,225,383		$ 814,752
Senior Notes | 5.5% Senior Notes due 2026
Debt Instrument [Line Items]
Stated interest rate	5.50%		5.50%		5.50%
Long-term debt, gross	$ 0		$ 500,000
Senior Notes | 4.25% Senior Notes due 2028
Debt Instrument [Line Items]
Stated interest rate	4.25%		4.25%	4.25%
Long-term debt, gross	$ 500,000		$ 500,000
Senior Notes | 3.75% Senior Notes due 2029
Debt Instrument [Line Items]
Stated interest rate	3.75%	3.75%	3.75%
Long-term debt, gross	$ 500,000		$ 0
Senior Notes | 4.0% Senior Notes due 2031
Debt Instrument [Line Items]
Stated interest rate	4.00%	4.00%	4.00%
Long-term debt, gross	$ 500,000		$ 0
Other Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 372		$ 3,457

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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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