|
Stock-Based Compensation Stock Based Compensation (RSU) Details 2 (Details) (USD $)
|
9 Months Ended |
|
Sep. 30, 2014
|
| Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |
|
| RSUs granted |
1,817,802 |
|
Restricted Stock Units (RSUs) [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |
|
| Shares Outstanding, Beginning of Period |
574,350 |
| RSUs granted |
1,817,802 |
| RSUs Vested |
(35,096) |
| RSUs forfeited |
(61,008) |
| Shares Outstanding, End of Period |
2,296,048 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Weighted Average Exercise Price [Roll Forward] |
|
| Weighted Average Fair Value, Beginning of Period, USD per share |
$ 64.06 |
| Weighted Average Fair Value, RSUs granted, USD per share |
$ 78.26 |
| Weighted Average Fair Value, RSUs vested, USD per share |
$ 59.80 |
| Weighted Average Fair Value, RSUs forfeited, USD per share |
$ 80.10 |
| Weighted Average Fair Value, End of Period, USD per share |
$ 74.94 |