REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 1,410,989	$ 1,091,721	$ 913,734
United States
Disaggregation of Revenue [Line Items]
Net sales	1,277,177	1,025,393	873,867
International
Disaggregation of Revenue [Line Items]
Net sales	133,812	66,328	39,867
Coolers & Equipment
Disaggregation of Revenue [Line Items]
Net sales	551,861	446,585	368,874
Drinkware
Disaggregation of Revenue [Line Items]
Net sales	832,428	628,566	526,241
Other
Disaggregation of Revenue [Line Items]
Net sales	26,700	16,570	18,619
Wholesale
Disaggregation of Revenue [Line Items]
Net sales	626,259	510,861	527,634
Direct-to-consumer
Disaggregation of Revenue [Line Items]
Net sales	$ 784,730	$ 580,860	$ 386,100