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Revenue - Schedule of Revenues Disaggregated by Revenue Source (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 241,895	$ 297,761
Digital Subscription Revenues
Disaggregation Of Revenue [Line Items]
Revenues, net	149,344	191,482
Workshops + Digital Fees
Disaggregation Of Revenue [Line Items]
Revenues, net	61,688	65,503
Subscription Revenues, net
Disaggregation Of Revenue [Line Items]
Revenues, net	211,032	256,985
Product sales and other, net
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 30,863	$ 40,776

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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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