Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 29, 2023	Jan. 30, 2022	Jan. 31, 2021
Income Statement [Abstract]
Net sales	$ 756,533	$ 740,858	$ 595,117
Cost of sales	272,314	274,777	231,568
Amortization of acquired technology	5,661	4,942	7,676
Total cost of sales	277,975	279,719	239,244
Gross profit	478,558	461,139	355,873
Operating costs and expenses, net:
Selling, general and administrative	235,801	168,210	162,832
Product development and engineering	167,450	147,925	117,529
Intangible amortization	821	0	589
Gain on sale of business	(18,313)	0	0
Changes in the fair value of contingent earn-out obligations	0	(13)	(33)
Total operating costs and expenses, net	385,759	316,122	280,917
Operating income	92,799	145,017	74,956
Interest expense	(17,646)	(5,091)	(5,336)
Interest Income	5,801	1,469	2,535
Non-operating expense, net	(1,331)	(989)	(2,411)
Investment impairments and credit loss reserves, net	(1,156)	(1,337)	(6,769)
Income before taxes and equity in net gains of equity method investments	78,467	139,069	62,975
Provision for income taxes	17,344	15,539	3,437
Net income before equity in net gains of equity method investments	61,123	123,530	59,538
Equity in net gains of equity method investments	249	2,115	329
Net income	61,372	125,645	59,867
Net loss attributable to noncontrolling interest	(8)	(19)	(36)
Net income attributable to common stockholders	$ 61,380	$ 125,664	$ 59,903
Earnings per share:
Basic (in dollars per share)	$ 0.96	$ 1.94	$ 0.92
Diluted (in dollars per share)	$ 0.96	$ 1.92	$ 0.91
Weighted average number of shares used in computing earnings per share:
Basic (in shares)	63,770	64,662	65,208
Diluted (in shares)	64,013	65,565	66,059