Business and Summary of Significant Accounting Policies - Revenue Recognition - Narrative (Details)	12 Months Ended
Jan. 03, 2026
SleepIQ Technology
Disaggregation of Revenue [Line Items]
Estimated product life	4 years 6 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details