Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Nov. 06, 2022	Feb. 06, 2022
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 361,661	$ 637,548
Unrealized Loss, Less than 12 months	(8,617)	(7,625)
Fair Value, Greater than 12 months	301,428	1,182
Unrealized Loss, Greater than 12 months	(13,327)	(23)
Fair Value, Total	663,089	638,730
Unrealized Loss, Total	(21,944)	(7,648)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	133,188	193,359
Unrealized Loss, Less than 12 months	(2,603)	(2,176)
Fair Value, Greater than 12 months	94,973	0
Unrealized Loss, Greater than 12 months	(3,298)	0
Fair Value, Total	228,161	193,359
Unrealized Loss, Total	(5,901)	(2,176)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	20,403	24,388
Unrealized Loss, Less than 12 months	(390)	(193)
Fair Value, Greater than 12 months	2,893	0
Unrealized Loss, Greater than 12 months	(106)	0
Fair Value, Total	23,296	24,388
Unrealized Loss, Total	(496)	(193)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	186,166	374,223
Unrealized Loss, Less than 12 months	(5,289)	(4,708)
Fair Value, Greater than 12 months	182,534	1,182
Unrealized Loss, Greater than 12 months	(8,587)	(23)
Fair Value, Total	368,700	375,405
Unrealized Loss, Total	(13,876)	(4,731)
Foreign government bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	4,178	4,098
Unrealized Loss, Less than 12 months	(30)	(17)
Fair Value, Greater than 12 months	541	0
Unrealized Loss, Greater than 12 months	(49)	0
Fair Value, Total	4,719	4,098
Unrealized Loss, Total	(79)	(17)
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	16,325	37,608
Unrealized Loss, Less than 12 months	(197)	(453)
Fair Value, Greater than 12 months	18,156	0
Unrealized Loss, Greater than 12 months	(1,177)	0
Fair Value, Total	34,481	37,608
Unrealized Loss, Total	(1,374)	(453)
Municipal bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	1,401	3,872
Unrealized Loss, Less than 12 months	(108)	(78)
Fair Value, Greater than 12 months	2,331	0
Unrealized Loss, Greater than 12 months	(110)	0
Fair Value, Total	3,732	3,872
Unrealized Loss, Total	$ (218)	$ (78)