Segment and Geographic Data - Sources of Revenue and Other Information by Geographic Area (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		$ 1,212,463	$ 1,378,124	$ 1,413,337
Long-lived assets	[1]	37,219	51,935
Operating lease assets		89,902	119,102
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		759,737	880,945	913,930
Long-lived assets	[1]	31,566	43,651
Operating lease assets		80,609	107,023
Canada
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		55,060	61,155	65,372
Long-lived assets	[1]	3,198	4,508
Operating lease assets		5,079	6,136
Continental Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		297,910	313,380	293,233
Long-lived assets	[1]	1,111	1,471
Operating lease assets		2,216	3,038
United Kingdom
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		65,820	84,387	94,557
Long-lived assets	[1]	1,002	1,751
Operating lease assets		1,732	2,217
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		33,936	38,257	46,245
Long-lived assets	[1]	342	554
Operating lease assets		266	688
Digital Subscription Revenues
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		788,173	743,060	609,996
Workshops + Digital Fees
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		274,866	443,429	597,270
In-Studio Product Sales
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		21,908	40,352	118,493
E-commerce, Licensing, Franchise Royalties and Other
Revenues From External Customers And Long Lived Assets [Line Items]
Net revenue		$ 127,516	$ 151,283	$ 87,578

[1] Amounts include finance lease assets