Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Feb. 05, 2023	Feb. 06, 2022
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	$ 360,946	$ 637,548
Unrealized Loss, Less then 12 months	(495)	(7,625)
Fair Value Greater then 12 months	450,559	1,182
Unrealized Loss, Greater then 12 months	(14,551)	(23)
Fair Value Total	811,505	638,730
Unrealized Loss Total	(15,046)	(7,648)
U.S. government treasury notes
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	250,046	193,359
Unrealized Loss, Less then 12 months	(130)	(2,176)
Fair Value Greater then 12 months	127,976	0
Unrealized Loss, Greater then 12 months	(4,099)	0
Fair Value Total	378,022	193,359
Unrealized Loss Total	(4,229)	(2,176)
U.S. government agencies
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	5,194	24,388
Unrealized Loss, Less then 12 months	(5)	(193)
Fair Value Greater then 12 months	18,312	0
Unrealized Loss, Greater then 12 months	(284)	0
Fair Value Total	23,506	24,388
Unrealized Loss Total	(289)	(193)
Corporate debt securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	99,446	374,223
Unrealized Loss, Less then 12 months	(330)	(4,708)
Fair Value Greater then 12 months	277,717	1,182
Unrealized Loss, Greater then 12 months	(8,970)	(23)
Fair Value Total	377,163	375,405
Unrealized Loss Total	(9,300)	(4,731)
Foreign government bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	3,200	4,098
Unrealized Loss, Less then 12 months	(5)	(17)
Fair Value Greater then 12 months	551	0
Unrealized Loss, Greater then 12 months	(39)	0
Fair Value Total	3,751	4,098
Unrealized Loss Total	(44)	(17)
Asset-backed securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	3,060	37,608
Unrealized Loss, Less then 12 months	(25)	(453)
Fair Value Greater then 12 months	22,221	0
Unrealized Loss, Greater then 12 months	(991)	0
Fair Value Total	25,281	37,608
Unrealized Loss Total	(1,016)	(453)
Municipal bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less then 12 months	0	3,872
Unrealized Loss, Less then 12 months	0	(78)
Fair Value Greater then 12 months	3,782	0
Unrealized Loss, Greater then 12 months	(168)	0
Fair Value Total	3,782	3,872
Unrealized Loss Total	$ (168)	$ (78)