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Revenue - Schedule of Revenues Disaggregated by Revenue Source (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 269,454	$ 311,379	$ 567,214	$ 643,175
Digital Subscription Revenues
Disaggregation Of Revenue [Line Items]
Revenues, net	174,219	205,337	365,701	411,398
Workshops + Digital Fees
Disaggregation Of Revenue [Line Items]
Revenues, net	66,172	67,534	131,675	141,293
Subscription Revenues, net
Disaggregation Of Revenue [Line Items]
Revenues, net	240,391	272,871	497,376	552,691
Product sales and other, net
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 29,063	$ 38,508	$ 69,838	$ 90,484

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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