Financial Instruments - Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Aug. 02, 2026	Feb. 01, 2026
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	$ 399,330	$ 98,943
Unrealized Loss, Less than 12 months	(3,189)	(105)
U.S. government treasury notes
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	235,913	85,422
Unrealized Loss, Less than 12 months	(2,315)	(95)
U.S. government agencies
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	4,146	2,999
Unrealized Loss, Less than 12 months	(34)	(1)
Corporate debt securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	117,722	942
Unrealized Loss, Less than 12 months	(664)	(1)
Foreign government bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	3,143	2,970
Unrealized Loss, Less than 12 months	(6)	0
Asset-backed securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	23,539
Unrealized Loss, Less than 12 months	(68)
Municipal bonds
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than 12 months	14,867	6,610
Unrealized Loss, Less than 12 months	$ (102)	$ (8)