Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Income Statement [Abstract]
Net sales	$ 458,789	$ 549,073	$ 985,316	$ 1,076,203
Cost of sales	194,544	224,128	410,806	448,960
Gross profit	264,245	324,945	574,510	627,243
Operating expenses:
Sales and marketing	197,779	220,490	428,267	460,749
General and administrative	39,795	38,727	79,196	80,046
Research and development	15,445	15,817	29,888	32,122
Total operating expenses	253,019	275,034	537,351	572,917
Operating income	11,226	49,911	37,159	54,326
Interest expense, net	9,948	3,619	19,050	5,746
Income before income taxes	1,278	46,292	18,109	48,580
Income tax expense	524	11,359	5,890	11,573
Net income	$ 754	$ 34,933	$ 12,219	$ 37,007
Basic net income per share:
Net income per share – basic (in dollars per share)	$ 0.03	$ 1.56	$ 0.55	$ 1.64
Weighted-average shares – basic (in shares)	22,460,000	22,355,000	22,378,000	22,558,000
Diluted net income per share:
Net income per share – diluted (in dollars per share)	$ 0.03	$ 1.54	$ 0.54	$ 1.60
Weighted-average shares – diluted (in shares)	22,502,000	22,713,000	22,543,000	23,152,000