Consolidated Statements of Income - USD ($) shares in Thousands	12 Months Ended
	Jan. 28, 2024	Jan. 29, 2023	Jan. 30, 2022
Income Statement [Abstract]
Net sales	$ 868,758,000	$ 756,533,000	$ 740,858,000
Cost of sales	447,000,000	272,314,000	274,777,000
Amortization of acquired technology	33,716,000	5,661,000	4,942,000
Acquired technology impairments	91,792,000	0	0
Total cost of sales	572,508,000	277,975,000	279,719,000
Gross profit	296,250,000	478,558,000	461,139,000
Operating costs and expenses, net:
Selling, general and administrative	220,220,000	224,812,000	168,210,000
Product development and engineering	186,450,000	166,948,000	147,925,000
Intangible amortization	14,913,000	821,000	0
Restructuring	23,775,000	11,491,000	0
Gain on sale of business	0	(18,313,000)	0
Changes in the fair value of contingent earn-out obligations	0	0	(13,000)
Intangible impairment	39,593,000	0	0
Impairment of goodwill	755,621,000	0	0
Total operating costs and expenses, net	1,240,572,000	385,759,000	316,122,000
Operating (loss) income	(944,322,000)	92,799,000	145,017,000
Interest expense	(95,813,000)	(17,646,000)	(5,091,000)
Interest income	3,051,000	5,801,000	1,469,000
Non-operating expense, net	(542,000)	(1,331,000)	(989,000)
Investment impairments and credit loss reserves, net	(3,929,000)	(1,156,000)	(1,337,000)
(Loss) income before taxes and equity method income	(1,041,555,000)	78,467,000	139,069,000
Provision for income taxes	50,519,000	17,344,000	15,539,000
Net (loss) income before equity method income	(1,092,074,000)	61,123,000	123,530,000
Equity method income	45,000	249,000	2,115,000
Net (loss) income	(1,092,029,000)	61,372,000	125,645,000
Net income (loss) attributable to noncontrolling interest	1,000	(8,000)	(19,000)
Net (loss) income attributable to common stockholders	$ (1,092,030,000)	$ 61,380,000	$ 125,664,000
(Loss) earnings per share:
Basic (in dollars per share)	$ (17.03)	$ 0.96	$ 1.94
Diluted (in dollars per share)	$ (17.03)	$ 0.96	$ 1.92
Weighted average number of shares used in computing earnings per share:
Basic (in shares)	64,127	63,770	64,662
Diluted (in shares)	64,127	64,013	65,565