Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Millions	Jan. 28, 2023	Jan. 29, 2022
Assets
Marketable equity investments	$ 3.2	$ 1.2
Severance pay fund	0.7	0.7
Total assets	154.6	179.5
Time deposits
Assets
Cash equivalents	150.7	177.6
Level 1
Assets
Marketable equity investments	3.2	1.2
Severance pay fund	0.0	0.0
Total assets	3.2	1.2
Level 1 | Time deposits
Assets
Cash equivalents	0.0	0.0
Level 2
Assets
Marketable equity investments	0.0	0.0
Severance pay fund	0.7	0.7
Total assets	151.4	178.3
Level 2 | Time deposits
Assets
Cash equivalents	150.7	177.6
Level 3
Assets
Marketable equity investments	0.0	0.0
Severance pay fund	0.0	0.0
Total assets	0.0	0.0
Level 3 | Time deposits
Assets
Cash equivalents	$ 0.0	$ 0.0