REVENUE - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 03, 2026	Dec. 28, 2024	Dec. 30, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 1,868,494	$ 1,829,873	$ 1,658,713
United States
Disaggregation of Revenue [Line Items]
Net sales	1,474,141	1,490,468	1,398,925
International
Disaggregation of Revenue [Line Items]
Net sales	394,353	339,405	259,788
Coolers & Equipment
Disaggregation of Revenue [Line Items]
Net sales	748,523	698,606	597,511
Drinkware
Disaggregation of Revenue [Line Items]
Net sales	1,085,838	1,094,165	1,022,982
Other
Disaggregation of Revenue [Line Items]
Net sales	34,133	37,102	38,220
Wholesale
Disaggregation of Revenue [Line Items]
Net sales	740,703	742,278	661,000
Direct-to-consumer
Disaggregation of Revenue [Line Items]
Net sales	$ 1,127,791	$ 1,087,595	$ 997,713