Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Feb. 04, 2024	Feb. 05, 2023
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	$ 294,841	$ 360,946
Unrealized Loss, Less then 12 months	(1,019)	(495)
Fair Value Greater then 12 months	168,497	450,559
Unrealized Loss, Greater then 12 months	(2,987)	(14,551)
Fair Value Total	463,338	811,505
Unrealized Loss Total	(4,006)	(15,046)
U.S. government treasury notes
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	166,565	250,046
Unrealized Loss, Less then 12 months	(725)	(130)
Fair Value Greater then 12 months	47,842	127,976
Unrealized Loss, Greater then 12 months	(649)	(4,099)
Fair Value Total	214,407	378,022
Unrealized Loss Total	(1,374)	(4,229)
U.S. government agencies
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months		5,194
Unrealized Loss, Less then 12 months		(5)
Fair Value Greater then 12 months		18,312
Unrealized Loss, Greater then 12 months		(284)
Fair Value Total		23,506
Unrealized Loss Total		(289)
Corporate debt securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	116,247	99,446
Unrealized Loss, Less then 12 months	(260)	(330)
Fair Value Greater then 12 months	104,810	277,717
Unrealized Loss, Greater then 12 months	(2,002)	(8,970)
Fair Value Total	221,057	377,163
Unrealized Loss Total	(2,262)	(9,300)
Foreign government bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	0	3,200
Unrealized Loss, Less then 12 months	0	(5)
Fair Value Greater then 12 months	573	551
Unrealized Loss, Greater then 12 months	(16)	(39)
Fair Value Total	573	3,751
Unrealized Loss Total	(16)	(44)
Asset-backed securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	12,029	3,060
Unrealized Loss, Less then 12 months	(34)	(25)
Fair Value Greater then 12 months	13,800	22,221
Unrealized Loss, Greater then 12 months	(282)	(991)
Fair Value Total	25,829	25,281
Unrealized Loss Total	(316)	(1,016)
Municipal bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	0	0
Unrealized Loss, Less then 12 months	0	0
Fair Value Greater then 12 months	1,472	3,782
Unrealized Loss, Greater then 12 months	(38)	(168)
Fair Value Total	1,472	3,782
Unrealized Loss Total	$ (38)	$ (168)