Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Net sales	$ 527,130	$ 568,256
Cost of sales	224,832	212,338
Gross profit	302,298	355,918
Operating expenses:
Sales and marketing	240,259	223,617
General and administrative	41,319	42,592
Research and development	16,305	13,286
Total operating expenses	297,883	279,495
Operating income	4,415	76,423
Interest expense, net	2,127	977
Income before income taxes	2,288	75,446
Income tax expense	214	8,812
Net income	$ 2,074	$ 66,634
Basic net income per share:
Net income per share – basic (in dollars per share)	$ 0.09	$ 2.63
Weighted-average shares – basic (in shares)	22,760,000	25,377,000
Diluted net income per share:
Net income per share – diluted (in dollars per share)	$ 0.09	$ 2.51
Weighted-average shares – diluted (in shares)	23,591,000	26,544,000