[["", "shares", "weighted average grant-date fair value"], ["non-vested at may 31 2008", "518", "$ 39"], ["granted", "430", "43"], ["vested", "-159 ( 159 )", "39"], ["forfeited", "-27 ( 27 )", "41"], ["non-vested at may 31 2009", "762", "42"], ["granted", "420", "42"], ["vested", "-302 ( 302 )", "41"], ["forfeited", "-167 ( 167 )", "43"], ["non-vested at may 31 2010", "713", "42"]]