Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	May 07, 2023	Feb. 05, 2023
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 121,367	$ 360,946
Unrealized Loss, Less than 12 months	(419)	(495)
Fair Value, Greater than 12 months	381,261	450,559
Unrealized Loss, Greater than 12 months	(10,653)	(14,551)
Fair Value, Total	502,628	811,505
Unrealized Loss, Total	(11,072)	(15,046)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	21,981	250,046
Unrealized Loss, Less than 12 months	(40)	(130)
Fair Value, Greater than 12 months	100,205	127,976
Unrealized Loss, Greater than 12 months	(2,845)	(4,099)
Fair Value, Total	122,186	378,022
Unrealized Loss, Total	(2,885)	(4,229)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	999	5,194
Unrealized Loss, Less than 12 months	(1)	(5)
Fair Value, Greater than 12 months	14,505	18,312
Unrealized Loss, Greater than 12 months	(94)	(284)
Fair Value, Total	15,504	23,506
Unrealized Loss, Total	(95)	(289)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	90,761	99,446
Unrealized Loss, Less than 12 months	(363)	(330)
Fair Value, Greater than 12 months	242,140	277,717
Unrealized Loss, Greater than 12 months	(6,728)	(8,970)
Fair Value, Total	332,901	377,163
Unrealized Loss, Total	(7,091)	(9,300)
Foreign government bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	1,000	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	1,559	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	6,626	3,060
Unrealized Loss, Less than 12 months	(15)	(25)
Fair Value, Greater than 12 months	20,034	22,221
Unrealized Loss, Greater than 12 months	(823)	(991)
Fair Value, Total	26,660	25,281
Unrealized Loss, Total	(838)	(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	3,818	3,782
Unrealized Loss, Greater than 12 months	(132)	(168)
Fair Value, Total	3,818	3,782
Unrealized Loss, Total	$ (132)	$ (168)