XML 86 R75.htm IDEA: XBRL DOCUMENT v3.23.1
Fair value measurement - Fair Value of Assets and Liabilities (Details) - USD ($)
$ in Millions
Apr. 29, 2023
Jan. 28, 2023
Apr. 30, 2022
Carrying Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets $ 9.8 $ 9.7 $ 12.8
Liabilities (0.7) (0.7) (2.8)
US Treasury securities | Carrying Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 5.8 5.7 4.4
Foreign currency contracts | Carrying Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.1 0.1 1.2
Liabilities (0.7) (0.7) (2.8)
US government agency securities | Carrying Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.5 0.5 2.0
Corporate bonds and notes | Carrying Value      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 3.4 3.4 5.2
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 5.8 5.7 4.4
Liabilities 0.0 0.0 0.0
Level 1 | US Treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 5.8 5.7 4.4
Level 1 | Foreign currency contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.0 0.0 0.0
Liabilities 0.0 0.0 0.0
Level 1 | US government agency securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.0 0.0 0.0
Level 1 | Corporate bonds and notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.0 0.0 0.0
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 4.0 4.0 8.4
Liabilities (0.7) (0.7) (2.8)
Level 2 | US Treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.0 0.0 0.0
Level 2 | Foreign currency contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.1 0.1 1.2
Liabilities (0.7) (0.7) (2.8)
Level 2 | US government agency securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets 0.5 0.5 2.0
Level 2 | Corporate bonds and notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets $ 3.4 $ 3.4 $ 5.2