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Summary of Significant Accounting Policies (Property, Fixtures and Equipment) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Property, Plant and Equipment [Line Items]
Depreciation expense		$ 171,755	$ 165,190	$ 145,961
Repair and maintenance expense		113,245	114,768	$ 107,369
Capitalized computer equipment and software, additions		8,100	10,800
Depreciation and amortization
Property, Plant and Equipment [Line Items]
Capitalized internal costs for construction in progress		5,300	4,900
Property, fixtures and equipment, net
Property, Plant and Equipment [Line Items]
Capitalized computer equipment and software, net		$ 11,400	$ 12,500
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	[1]	5 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	[1]	30 years
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		7 years
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		2 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		7 years
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		2 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life		7 years
[1] Includes improvements to leased properties which are depreciated over the shorter of their useful life or reasonably certain lease term, including reasonably certain renewal periods.

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Additions made to capitalized computer software costs during the period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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