Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Aug. 04, 2024	Feb. 04, 2024
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 34,244	$ 294,841
Unrealized Loss, Less than 12 months	(24)	(1,019)
Fair Value, Greater than 12 months	217,799	168,497
Unrealized Loss, Greater than 12 months	(925)	(2,987)
Fair Value, Total	252,043	463,338
Unrealized Loss, Total	(949)	(4,006)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	10,626	166,565
Unrealized Loss, Less than 12 months	(1)	(725)
Fair Value, Greater than 12 months	117,120	47,842
Unrealized Loss, Greater than 12 months	(361)	(649)
Fair Value, Total	127,746	214,407
Unrealized Loss, Total	(362)	(1,374)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	1,999
Unrealized Loss, Less than 12 months	(1)
Fair Value, Greater than 12 months	0
Unrealized Loss, Greater than 12 months	0
Fair Value, Total	1,999
Unrealized Loss, Total	(1)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	21,492	116,247
Unrealized Loss, Less than 12 months	(22)	(260)
Fair Value, Greater than 12 months	86,536	104,810
Unrealized Loss, Greater than 12 months	(505)	(2,002)
Fair Value, Total	108,028	221,057
Unrealized Loss, Total	(527)	(2,262)
Foreign government bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	0	0
Unrealized Loss, Less than 12 months	0	0
Fair Value, Greater than 12 months	587	573
Unrealized Loss, Greater than 12 months	(3)	(16)
Fair Value, Total	587	573
Unrealized Loss, Total	(3)	(16)
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	127	12,029
Unrealized Loss, Less than 12 months	0	(34)
Fair Value, Greater than 12 months	12,055	13,800
Unrealized Loss, Greater than 12 months	(47)	(282)
Fair Value, Total	12,182	25,829
Unrealized Loss, Total	(47)	(316)
Municipal bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	0	0
Unrealized Loss, Less than 12 months	0	0
Fair Value, Greater than 12 months	1,501	1,472
Unrealized Loss, Greater than 12 months	(9)	(38)
Fair Value, Total	1,501	1,472
Unrealized Loss, Total	$ (9)	$ (38)