v3.23.1
Fair Value Measurements - Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Jan. 28, 2023
Aug. 31, 2022
Jan. 29, 2022
Assets      
Adjusted Cost $ 254.0   $ 4.4
Unrealized Gains 0.0   0.0
Unrealized Losses (0.9)   0.0
Fair Value 253.1   4.4
Liabilities      
Total liabilities 6.3   1.0
Level 1: | U.S. government securities      
Assets      
Adjusted Cost 253.5   0.0
Unrealized Gains 0.0   0.0
Unrealized Losses (0.9)   0.0
Fair Value 252.6 $ 250.0 0.0
Level 2:      
Liabilities      
Foreign currency contracts 5.9   0.4
Nonqualified deferred compensation 0.4   0.6
Level 2: | Foreign currency contracts      
Assets      
Adjusted Cost 0.0   3.8
Unrealized Gains 0.0   0.0
Unrealized Losses 0.0   0.0
Fair Value 0.0   3.8
Level 2: | Company-owned life insurance      
Assets      
Adjusted Cost 0.5   0.6
Unrealized Gains 0.0   0.0
Unrealized Losses 0.0   0.0
Fair Value $ 0.5   $ 0.6