SEGMENT INFORMATION - Schedule of Segment Information for Net Sales, Segment Profit (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
Cost of goods sold	795,810	766,589	715,527
Gross profit	1,072,684	1,063,284	943,186
Distribution and fulfillment	321,900	323,000	310,100
Marketing	145,400	141,500	126,900
Depreciation and amortization	54,232	48,132	46,434
Product recalls	2,900	9,939	1,895
Total selling, general and administrative expenses	859,127	817,908	717,728
Operating income	213,557	245,376	225,458
Interest (expense) income, net	(443)	660	(942)
Other income (expense), net	7,167	(13,188)	1,430
Income before income taxes	220,281	232,848	225,946
Income tax expense	(54,894)	(57,159)	(56,061)
Net income	165,387	175,689	169,885
Depreciation expense	20,400	19,000	16,600
Reportable Segment
Disaggregation of Revenue [Line Items]
Net sales	1,868,494	1,829,873	1,658,713
Cost of goods sold	795,810	766,589	715,527
Gross profit	1,072,684	1,063,284	943,186
Distribution and fulfillment	321,909	322,957	310,148
Compensation and benefits	204,456	193,366	153,511
Marketing	145,435	141,490	126,894
General and administration	152,918	129,099	108,710
Depreciation and amortization	33,873	29,155	29,847
Product recalls	536	1,841	(11,382)
Total selling, general and administrative expenses	859,127	817,908	717,728
Operating income	213,557	245,376	225,458
Interest (expense) income, net	(443)	660	(942)
Other income (expense), net	7,167	(13,188)	1,430
Income before income taxes	220,281	232,848	225,946
Income tax expense	(54,894)	(57,159)	(56,061)
Net income	$ 165,387	$ 175,689	$ 169,885