Stock-Based Compensation

3 Months Ended

Sep. 03, 2016

The following table summarizes the stock-based compensation expense and related income tax effect for the periods indicated:



(In millions)	Three Months Ended
	September 3, 2016		August 29, 2015
Stock-based compensation expense	$	3.4	$	4.0
Related income tax effect	1.2		1.4

Stock-based compensation expense recognized in the Condensed Consolidated Statements of Comprehensive Income for the three month periods ended September 3, 2016 and August 29, 2015 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.

For the three month period ended September 3, 2016, the company issued 191,023 shares of common stock related to the exercise of stock options, 81,095 shares of common stock related to the vesting of restricted stock units, and 113,040 shares of common stock related to the vesting of performance share units.

For the three month period ended August 29, 2015, the company issued 17,390 shares of common stock related to the exercise of stock options, 160,319 shares of common stock related to the vesting of restricted stock units, and 55,825 shares of common stock related to the vesting of performance share units.