Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Aug. 06, 2023	Feb. 05, 2023
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 451,362	$ 360,946
Unrealized Loss, Less than 12 months	(2,712)	(495)
Fair Value, Greater than 12 months	290,542	450,559
Unrealized Loss, Greater than 12 months	(8,274)	(14,551)
Fair Value, Total	741,904	811,505
Unrealized Loss, Total	(10,986)	(15,046)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	222,964	250,046
Unrealized Loss, Less than 12 months	(1,659)	(130)
Fair Value, Greater than 12 months	81,980	127,976
Unrealized Loss, Greater than 12 months	(2,290)	(4,099)
Fair Value, Total	304,944	378,022
Unrealized Loss, Total	(3,949)	(4,229)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	4,388	5,194
Unrealized Loss, Less than 12 months	(6)	(5)
Fair Value, Greater than 12 months	2,993	18,312
Unrealized Loss, Greater than 12 months	(7)	(284)
Fair Value, Total	7,381	23,506
Unrealized Loss, Total	(13)	(289)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	186,849	99,446
Unrealized Loss, Less than 12 months	(908)	(330)
Fair Value, Greater than 12 months	183,833	277,717
Unrealized Loss, Greater than 12 months	(5,169)	(8,970)
Fair Value, Total	370,682	377,163
Unrealized Loss, Total	(6,077)	(9,300)
Foreign government bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	0	3,200
Unrealized Loss, Less than 12 months	0	(5)
Fair Value, Greater than 12 months	559	551
Unrealized Loss, Greater than 12 months	(31)	(39)
Fair Value, Total	559	3,751
Unrealized Loss, Total	(31)	(44)
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	37,161	3,060
Unrealized Loss, Less than 12 months	(139)	(25)
Fair Value, Greater than 12 months	17,334	22,221
Unrealized Loss, Greater than 12 months	(670)	(991)
Fair Value, Total	54,495	25,281
Unrealized Loss, Total	(809)	(1,016)
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	3,843	3,782
Unrealized Loss, Greater than 12 months	(107)	(168)
Fair Value, Total	3,843	3,782
Unrealized Loss, Total	$ (107)	$ (168)