. note 11 2014share-based awards and options as of may 31 , 2010 , we have four share-based employee compensation plans . for all share-based awards granted after june 1 , 2006 , compensation expense is recognized on a straight-line basis . the fair value of share- based awards granted prior to june 1 , 2006 is amortized as compensation expense on an accelerated basis from the date of the grant