Stock-Based Compensation

9 Months Ended

Feb. 27, 2016

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
	February 27, 2016		February 28, 2015		February 27, 2016		February 28, 2015
Stock-based compensation expense	$	2.7	$	2.4	$	9.3	$	8.1
Related income tax effect	1.0		0.8		3.4		2.9

Stock-based compensation expense recognized in the Condensed Consolidated Statements of Comprehensive Income for the three and nine month periods ended February 27, 2016 and February 28, 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 nine month period ended February 27, 2016, the company issued 187,829 shares of common stock related to the exercise of stock options, 179,265 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.

For the nine month period ended February 28, 2015, the company issued 258,927 shares of common stock related to the exercise of stock options, 130,144 shares of common stock related to the vesting of restricted stock units, and no shares of common stock related to the vesting of performance share units.