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Share Based Compensation
 3 Months Ended
Mar. 28, 2015
Share-based Compensation [Abstract]  
Share Based Compensation
Share-Based Compensation:

Share-based compensation includes stock option and restricted stock unit awards and certain transactions under our Employee Stock Purchase Plan (the “ESPP”).   Share-based compensation expense is recognized based on grant date fair value of all options and restricted stock unit awards plus a discount on shares purchased by employees as a part of the ESPP.

There were no significant modifications to the Company’s share-based compensation plans during the fiscal three months ended March 28, 2015.

For the first quarters of fiscal 2015 and 2014, share-based compensation expense was $5.0 million and $3.9 million, respectively.

Stock Options

The following summarizes information concerning stock option grants during the first three months of fiscal 2015 and 2014:
 
Fiscal three months ended
 
March 28,
2015
 
March 29,
2014
Stock options granted
995,508

 
1,106,609

Weighted average exercise price
$
83.11

 
$
63.86

Weighted average fair value per option
$
19.42

 
$
15.32



As of March 28, 2015, total unrecognized compensation expense related to non-vested stock options was approximately $31.8 million with a remaining weighted average expense recognition period of 1.6 years.

Restricted Stock Units

The following summarizes information concerning restricted stock unit grants during the first three months of fiscal 2015 and 2014:
 
Fiscal three months ended
 
March 28,
2015
 
March 29,
2014
Restricted stock units granted
39,121

 
45,866

Weighted average fair value per share
$
83.11

 
$
64.00



As of March 28, 2015, total unrecognized compensation expense related to non-vested restricted stock units was approximately $8.4 million with a remaining weighted average expense recognition period of 2.8 years.