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Stock-Based Compensation
 6 Months Ended
Nov. 28, 2020
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 and six months ended:
Three Months EndedSix Months Ended
(In millions)November 28, 2020November 30, 2019November 28, 2020November 30, 2019
Stock-based compensation expense$2.4 $2.8 $3.9 $5.4 
Related income tax effect$0.6 $0.6 $0.9 $1.2 
Certain of the Company's 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.