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Acquisitions - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands						12 Months Ended
	Feb. 20, 2024	Apr. 10, 2023	Feb. 17, 2023	Feb. 18, 2022	Dec. 21, 2021	Dec. 30, 2023	Apr. 10, 2025	Dec. 28, 2024	Apr. 10, 2024	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill						$ 243,441		$ 239,583		$ 155,998
Business acquisition, purchase price allocation, tax asset valuation allowance						89,801		$ 178,451
Denross Limited
Business Acquisition [Line Items]
Business acquisition, aggregate purchase price				$ 4,500
Business acquisition, cash payment	$ 375		$ 375	3,100	$ 650
Business acquisition, cash in reserves				750
Business acquisition, purchase price allocation, assumed liabilities				166
Business acquisition, purchase price allocation, cash				4
Goodwill				4,645
Business acquisition, purchase price allocation, deferred tax asset				496
Business acquisition, purchase price allocation, tax asset valuation allowance				496
Business acquisition, purchase price allocation, other receivables				3
Denross Limited | Customer Relationship
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, finite lived intangible assets				14
Checkweight Limited
Business Acquisition [Line Items]
Business acquisition, aggregate purchase price				1,500
Business acquisition, cash payment	$ 125		$ 125	1,250
Business acquisition, cash in reserves				250
Business acquisition, purchase price allocation, assumed liabilities				56
Business acquisition, purchase price allocation, cash				4
Goodwill				1,291
Business acquisition, purchase price allocation, deferred tax asset				5
Business acquisition, purchase price allocation, tax asset valuation allowance				5
Business acquisition, purchase price allocation, other receivables				4
Checkweight Limited | Franchise Rights Acquired
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, finite lived intangible assets				240
Checkweight Limited | Customer Relationship
Business Acquisition [Line Items]
Business acquisition, purchase price allocation, finite lived intangible assets				$ 17
Weekend Health, Inc. d/b/a Sequence
Business Acquisition [Line Items]
Business acquisition effective date		Apr. 10, 2023
Business acquisition, aggregate purchase price		$ 132,000
Business acquisition, cash payment		64,217
Business acquisition, purchase price allocation, cash		25,800
Business acquisition, amount paid one year from closing date									$ 16,000
Transaction related costs						$ 8,605
Weekend Health, Inc. d/b/a Sequence | Scenario Forecast
Business Acquisition [Line Items]
Business acquisition, amount to be paid two years from closing date							$ 16,000
Weekend Health, Inc. d/b/a Sequence | Common Stock
Business Acquisition [Line Items]
Business acquisition, equity interest issued as consideration for acquisition, value		$ 34,702
Business acquisition, equity interest issued as consideration for acquisition, shares		7,996
Business acquisition, common stock price per share		$ 4.34

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Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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