Goodwill - Summary of Goodwill (Detail) $ in Thousands	6 Months Ended
	Jul. 03, 2022 USD ($)
Goodwill [Line Items]
Beginning balance	$ 214,257
Foreign currency translation adjustment	(16,202)
Ending balance	198,055
UK [Member]
Goodwill [Line Items]
Beginning balance	100,665
Foreign currency translation adjustment	(10,683)
Ending balance	89,982
North America [Member]
Goodwill [Line Items]
Beginning balance	47,446
Foreign currency translation adjustment	0
Ending balance	47,446
Europe and ROW [Member]
Goodwill [Line Items]
Beginning balance	66,146
Foreign currency translation adjustment	(5,519)
Ending balance	$ 60,627