Revenue - Schedule of Revenues Disaggregated by Revenue Source and Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 1,212,463	$ 1,378,124	$ 1,413,337
North America
Disaggregation Of Revenue [Line Items]
Revenues, net	814,797	942,100	979,302
Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	297,910	313,380	293,233
United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	65,820	84,387	94,557
Other
Disaggregation Of Revenue [Line Items]
Revenues, net	33,936	38,257	46,245
Digital Subscription Revenues
Disaggregation Of Revenue [Line Items]
Revenues, net	788,173	743,060	609,996
Digital Subscription Revenues | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	504,152	484,471	401,890
Digital Subscription Revenues | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	228,296	207,978	167,008
Digital Subscription Revenues | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	36,347	33,919	26,898
Digital Subscription Revenues | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	19,378	16,692	14,200
Workshops + Digital Fees
Disaggregation Of Revenue [Line Items]
Revenues, net	274,866	443,429	597,270
Workshops + Digital Fees | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	210,076	329,885	446,576
Workshops + Digital Fees | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	36,707	67,201	87,962
Workshops + Digital Fees | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	18,709	33,283	44,145
Workshops + Digital Fees | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	9,374	13,060	18,587
Subscription
Disaggregation Of Revenue [Line Items]
Revenues, net	1,063,039	1,186,489	1,207,266
Subscription | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	714,228	814,356	848,466
Subscription | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	265,003	275,179	254,970
Subscription | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	55,056	67,202	71,043
Subscription | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	28,752	29,752	32,787
Product sales and other, net
Disaggregation Of Revenue [Line Items]
Revenues, net	149,424	191,635	206,071
Product sales and other, net | North America
Disaggregation Of Revenue [Line Items]
Revenues, net	100,569	127,744	130,836
Product sales and other, net | Continental Europe
Disaggregation Of Revenue [Line Items]
Revenues, net	32,907	38,201	38,263
Product sales and other, net | United Kingdom
Disaggregation Of Revenue [Line Items]
Revenues, net	10,764	17,185	23,514
Product sales and other, net | Other
Disaggregation Of Revenue [Line Items]
Revenues, net	$ 5,184	$ 8,505	$ 13,458