The following table sets forth the weighted-average grant date fair value of RSUs and target PSUs. For certain PSUs, the service inception date proceeds the grant date and requires the Company to apply mark-to-market accounting that is reflected in the grant date fair values presented:
| Year Ended December 31, | ||||||||||
| 2013 | 2012 | 2011 | ||||||||
| RSUs | $ | 54.04 | $ | 37.52 | $ | 36.00 | ||||
| PSUs | 78.85 | 85.13 | 45.89 | |||||||