2013 | 2012 | 2011 | ||||||||||
Weighted average remaining contractual life of outstanding options (in years) | 6.60 | 6.70 | 6.50 | |||||||||
Total aggregate intrinsic value of outstanding options (in thousands) | $ | 254,200 | $ | 175,200 | $ | 184,300 | ||||||
Weighted average remaining contractual life of exercisable options (in years) | 5.30 | 5.50 | 5.30 | |||||||||
Total aggregate intrinsic value of exercisable options (in thousands) | $ | 161,100 | $ | 114,500 | $ | 128,900 | ||||||