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STOCK-BASED COMPENSATION
6 Months Ended
Sep. 27, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
STOCK-BASED COMPENSATION
STOCK-BASED COMPENSATION

Stock-based compensation expense of $6.9 million and $6.4 million was recognized for the six months ended September 27, 2014 and September 28, 2013, respectively. The related income tax benefit recognized was $2.2 million and $2.1 million for the six months ended September 27, 2014 and September 28, 2013, respectively.

The weighted average fair value for our options granted was $8.08 and $10.98 for the six months ended September 27, 2014 and September 28, 2013, respectively. The assumptions utilized for estimating the fair value of option grants during the periods presented are as follows:
 
 
Six Months Ended
 
 
September 27,
2014
 
September 28,
2013
Stock Options Black-Scholes assumptions (weighted average):
 
 
 
 
Volatility
 
22.62
%
 
25.49
%
Expected life (years)
 
4.9

 
5

Risk-free interest rate
 
1.80
%
 
1.40
%
Dividend yield
 
%
 
%


As of September 27, 2014, there was $22.5 million of total unrecognized compensation cost related to non-vested equity based compensation, including stock options, restricted stock units and markets stock units. This cost is expected to be recognized over a weighted average period of 2.18 years.

During the six months ended September 27, 2014 and September 28, 2013, there were 97,415 and 81,465 shares, respectively, purchased under the Employee Stock Purchase Plan at an average price of $25.85 and $32.73 per share, respectively.