Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Income Statement [Abstract]
Net sales	$ 393,261	$ 470,449
Cost of sales	152,726	194,275
Gross profit	240,535	276,174
Operating expenses:
Sales and marketing	189,103	208,512
General and administrative	38,619	39,079
Research and development	10,903	12,441
Restructuring costs	60	10,600
Total operating expenses	238,685	270,632
Operating income	1,850	5,542
Interest expense, net	11,081	12,299
Loss before income taxes	(9,231)	(6,757)
Income tax (benefit) expense	(585)	725
Net loss	$ (8,646)	$ (7,482)
Basic net loss per share:
Net loss per share – basic (in dollars per share)	$ (0.38)	$ (0.33)
Weighted-average shares – basic (in shares)	22,706	22,506
Diluted net loss per share:
Net loss per share – diluted (in dollars per share)	$ (0.38)	$ (0.33)
Weighted-average shares – diluted (in shares)	22,706	22,506