.4 million under its previously announced share repurchase programs . the cash used to repurchase shares of common stock was partially offset by $ 39.2 million of proceeds from stock purchase and option plan exercises and $ 6.0 million of related excess tax benefits . as of december 29 , 2007 , snap-on had remaining availability to repurchase up to an additional $ 116.8 million in common stock pursuant to the board of directors 2019 ( 201cboard 201d ) authorizations