Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	May 05, 2024	Feb. 04, 2024
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 563,642	$ 294,841
Unrealized Loss, Less than 12 months	(2,538)	(1,019)
Fair Value, Greater than 12 months	117,620	168,497
Unrealized Loss, Greater than 12 months	(1,729)	(2,987)
Fair Value, Total	681,262	463,338
Unrealized Loss, Total	(4,267)	(4,006)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	289,528	166,565
Unrealized Loss, Less than 12 months	(1,567)	(725)
Fair Value, Greater than 12 months	20,975	47,842
Unrealized Loss, Greater than 12 months	(345)	(649)
Fair Value, Total	310,503	214,407
Unrealized Loss, Total	(1,912)	(1,374)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	1,996
Unrealized Loss, Less than 12 months	(2)
Fair Value, Greater than 12 months	0
Unrealized Loss, Greater than 12 months	0
Fair Value, Total	1,996
Unrealized Loss, Total	(2)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	224,065	116,247
Unrealized Loss, Less than 12 months	(795)	(260)
Fair Value, Greater than 12 months	83,781	104,810
Unrealized Loss, Greater than 12 months	(1,203)	(2,002)
Fair Value, Total	307,846	221,057
Unrealized Loss, Total	(1,998)	(2,262)
Foreign government 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	579	573
Unrealized Loss, Greater than 12 months	(11)	(16)
Fair Value, Total	579	573
Unrealized Loss, Total	(11)	(16)
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	48,053	12,029
Unrealized Loss, Less than 12 months	(174)	(34)
Fair Value, Greater than 12 months	10,802	13,800
Unrealized Loss, Greater than 12 months	(143)	(282)
Fair Value, Total	58,855	25,829
Unrealized Loss, Total	(317)	(316)
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	1,483	1,472
Unrealized Loss, Greater than 12 months	(27)	(38)
Fair Value, Total	1,483	1,472
Unrealized Loss, Total	$ (27)	$ (38)