Revenue Recognition - Schedule of Total Revenue Between Education Centers and School Sites (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 03, 2026	Sep. 27, 2025	Oct. 03, 2026	Sep. 27, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 665,336	$ 676,830	$ 2,035,380	$ 2,045,184
Early Childhood Education Centers
Disaggregation of Revenue [Line Items]
Revenue	607,342	626,987	1,855,571	1,889,669
Before- and After-School Sites
Disaggregation of Revenue [Line Items]
Revenue	$ 57,994	$ 49,843	$ 179,809	$ 155,515

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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