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Stock-Based Compensation
6 Months Ended
Dec. 02, 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 three and six months ended:
(In millions)
Three Months Ended
 
Six Months Ended
 
December 2, 2017
 
December 3, 2016
 
December 2, 2017
 
December 3, 2016
Stock-based compensation expense
$
1.4

 
$
3.1

 
$
3.0

 
$
6.5

Related income tax effect
0.5

 
1.2

 
1.0

 
2.4



Stock-based compensation expense recognized in the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended December 3, 2016 has been reduced for estimated forfeitures, as it is based on awards ultimately expected to vest. Effective June 4, 2017, the company adopted ASU 2016-09 - Improvements to Employee Share-Based Payment Accounting. As of June 4, 2017, the company has elected to record forfeitures as they occur rather than estimating forfeitures.

The following table includes common stock issued by the company related to the exercise of stock options, vesting of restricted stock units and vesting of performance share units.
(Shares)
 
Six Months Ended
 
 
December 2, 2017
 
December 3, 2016
Stock Options
 
188,025

 
197,632

Restricted Stock Units
 
105,095

 
86,664

Performance Share Units
 
130,179

 
113,040