Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 28, 2024	Apr. 30, 2023
Income Statement [Abstract]
Net sales	$ 206,105	$ 236,539
Cost of sales	104,232	122,738
Amortization of acquired technology	2,281	10,855
Total cost of sales	106,513	133,593
Gross profit	99,592	102,946
Operating expenses, net:
Selling, general and administrative	52,269	57,780
Product development and engineering	41,604	50,601
Intangible amortization	307	4,882
Restructuring	2,269	1,563
Total operating expenses, net	96,449	114,826
Operating income (loss)	3,143	(11,880)
Interest expense	(23,229)	(20,510)
Interest income	542	1,069
Non-operating income (expense), net	400	(473)
Investment impairments and credit loss reserves, net	(1,109)	(33)
Loss before taxes and equity method income (loss)	(20,253)	(31,827)
Provision (benefit) for income taxes	2,956	(2,417)
Net loss before equity method income (loss)	(23,209)	(29,410)
Equity method income (loss)	50	(7)
Net loss	(23,159)	(29,417)
Net loss attributable to noncontrolling interest	0	(2)
Net loss attributable to common stockholders	$ (23,159)	$ (29,415)
Loss per share:
Basic (in dollars per share)	$ (0.36)	$ (0.46)
Diluted (in dollars per share)	$ (0.36)	$ (0.46)
Weighted-average number of shares used in computing loss per share:
Basic (in shares)	64,509	63,924
Diluted (in shares)	64,509	63,924