Investments -Schedule of Available-for-Sale Debt Securities (Details) - USD ($) $ in Millions	Feb. 01, 2025	Feb. 03, 2024
Debt Securities, Available-for-sale [Line Items]
Cost	$ 5.4	$ 8.0
Unrealized Gain (Loss)	(0.2)	(0.2)
Fair Value	5.2	7.8
US Treasury securities
Debt Securities, Available-for-sale [Line Items]
Cost	5.4	5.5
Unrealized Gain (Loss)	(0.2)	(0.2)
Fair Value	5.2	5.3
US government agency securities
Debt Securities, Available-for-sale [Line Items]
Cost	0.0	0.5
Unrealized Gain (Loss)	0.0	0.0
Fair Value	0.0	0.5
Corporate bonds and notes
Debt Securities, Available-for-sale [Line Items]
Cost	0.0	2.0
Unrealized Gain (Loss)	0.0	0.0
Fair Value	$ 0.0	$ 2.0