the fair value of options that vested during the years ended december 31 , 2017 , 2016 and 2015 was $ 6.8 million , $ 6.0 million and $ 7.8 million , respectively . the intrinsic value of fortune brands stock options exercised in the years ended december 31 , 2017 , 2016 and 2015 was $ 70.6 million , $ 88.1 million and $ 78.0 million , respectively