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Stock-Based Compensation
 3 Months Ended
Sep. 03, 2022
Stock-Based Compensation [Abstract]  
Stock-Based Compensation Stock-Based Compensation
The following table summarizes the stock-based compensation expense and related income tax effect for the three months ended:
Three Months Ended
(In millions)September 3, 2022August 28, 2021
Stock-based compensation expense$5.4 $15.1 
Related income tax effect$1.3 $3.7 
The decrease in stock-based compensation expense was driven in part by the prior year's acceleration of stock-based compensation award expense related to the workforce reductions subsequent to the Knoll integration.
Certain Company equity-based compensation awards contain provisions that allow for continued vesting into retirement. Stock-based awards are considered fully vested for expense attribution purposes when the employee's retention of the award is no longer contingent on providing subsequent service.