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Related Party - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended			6 Months Ended	9 Months Ended
	Aug. 06, 2025	Oct. 18, 2015	Sep. 30, 2025	Sep. 30, 2025	Sep. 28, 2024	Jun. 24, 2025	Sep. 28, 2024	Nov. 05, 2025	Jun. 25, 2025	Dec. 28, 2024	Dec. 30, 2023
Related Party Transaction [Line Items]
Initial agreement term		5 years
Services provided by related party			$ 62,975	$ 60,122	$ 57,046	$ 78,480	$ 140,456
Goodwill			200,073	200,073		$ 199,053			$ 199,053	$ 239,583	$ 243,441
Peoplehood, Inc.
Related Party Transaction [Line Items]
Purchased assets in cash upon closing	$ 1,020
Goodwill	$ 1,020
Peoplehood, Inc. | Subsequent Event
Related Party Transaction [Line Items]
Amount paid in deferred consideration								$ 1,000
Ms. Winfrey And Her Related Entities | Related Party
Related Party Transaction [Line Items]
Services provided by related party					$ 146		$ 253
Accounts payable to related party			$ 0	$ 0						$ 13

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