v3.26.1
Fair Value Measurements - Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Aug. 01, 2026
Jan. 31, 2026
Assets    
Marketable equity investments $ 25.5 $ 21.7
Total assets 360.4 99.0
Liabilities    
Contingent consideration liability 749.5  
Total liabilities 749.5  
Securities under the NQDC plan    
Assets    
Other assets 9.1 3.9
Severance pay fund    
Assets    
Other assets 0.8 0.7
Forward stock purchase contract    
Assets    
Derivative asset 131.0  
Time deposits    
Assets    
Time deposits 194.0 72.7
Level 1    
Assets    
Marketable equity investments 25.5 21.7
Total assets 34.6 25.6
Liabilities    
Contingent consideration liability 0.0  
Total liabilities 0.0  
Level 1 | Securities under the NQDC plan    
Assets    
Other assets 9.1 3.9
Level 1 | Severance pay fund    
Assets    
Other assets 0.0 0.0
Level 1 | Forward stock purchase contract    
Assets    
Derivative asset 0.0  
Level 1 | Time deposits    
Assets    
Time deposits 0.0 0.0
Level 2    
Assets    
Marketable equity investments 0.0 0.0
Total assets 194.8 73.4
Liabilities    
Contingent consideration liability 0.0  
Total liabilities 0.0  
Level 2 | Securities under the NQDC plan    
Assets    
Other assets 0.0 0.0
Level 2 | Severance pay fund    
Assets    
Other assets 0.8 0.7
Level 2 | Forward stock purchase contract    
Assets    
Derivative asset 0.0  
Level 2 | Time deposits    
Assets    
Time deposits 194.0 72.7
Level 3    
Assets    
Marketable equity investments 0.0 0.0
Total assets 131.0 0.0
Liabilities    
Contingent consideration liability 749.5  
Total liabilities 749.5  
Level 3 | Securities under the NQDC plan    
Assets    
Other assets 0.0 0.0
Level 3 | Severance pay fund    
Assets    
Other assets 0.0 0.0
Level 3 | Forward stock purchase contract    
Assets    
Derivative asset 131.0  
Level 3 | Time deposits    
Assets    
Time deposits $ 0.0 $ 0.0