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Stock-Based Compensation
9 Months Ended
Mar. 04, 2017
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 periods indicated:
(In millions)
Three Months Ended
 
Nine Months Ended
 
March 4, 2017
 
February 27, 2016
 
March 4, 2017
 
February 27, 2016
Stock-based compensation expense
$
2.7

 
$
2.7

 
$
9.2

 
$
9.3

Related income tax effect
1.0

 
1.0

 
3.3

 
3.4



Stock-based compensation expense recognized in the Condensed Consolidated Statements of Comprehensive Income for the three and nine month periods ended March 4, 2017 and February 27, 2016 has been reduced for estimated forfeitures, as it is based on awards ultimately expected to vest. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ. Forfeitures are estimated based on historical experience.

The following is a detail of the company issued common stock related to the exercise of stock options and vesting of restricted stock and performance share units:
(Shares)
 
Nine Months Ended
 
 
March 4, 2017
 
February 27, 2016
Stock Options
 
211,566

 
187,829

Restricted Stock Units
 
89,290

 
179,265

Performance Share Units
 
113,040

 
55,825