Benefit Plans - Pension Assets by Percentage (Details) - Pension Benefits	Dec. 27, 2025	Dec. 28, 2024
Asset category
Total plan assets (as a percent)	100.00%	100.00%
Buy-in contract
Asset category
Total plan assets (as a percent)	94.00%	94.00%
Pooled liability investments
Asset category
Total plan assets (as a percent)	5.00%	5.00%
Cash and equivalents (includes money market funds)
Asset category
Total plan assets (as a percent)	1.00%	1.00%

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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