|
Share-Based Compensation Level 4 (Details) (USD $)
|
3 Months Ended |
9 Months Ended |
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Exercised |
0 |
0 |
143,000 |
0 |
|
Stock Options [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Dividend yield |
|
|
1.90% |
|
| Expected volatility |
|
|
35.20% |
|
| Risk-free interest rate |
|
|
0.70% |
|
| Expected holding period |
|
|
4 years |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Options outstanding at beginning of period |
|
|
12,401,970 |
|
| Options outstanding at beginning of period, weighted average exercise price |
|
|
$ 8.84 |
|
| Granted |
|
|
2,041,330 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
|
|
$ 15.26 |
|
| Exercised |
|
|
573,335 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price |
|
|
$ 8.89 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period |
|
|
36,397 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price |
|
|
$ 10.31 |
|
| Options outstanding at end of period |
13,833,568 |
|
13,833,568 |
|
| Options outstanding at end of period, weighted average exercise price |
$ 9.78 |
|
$ 9.78 |
|
| Options exercisable at March 31, 2012 |
9,719,085 |
|
9,719,085 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price |
$ 8.50 |
|
$ 8.50 |
|
|
Restricted Stock [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
|
|
|
| Nonvested restricted shares at beginning of period |
|
|
1,104,579 |
|
| Nonvested restricted shares at beginning of period, weighted average grant date fair value |
|
|
$ 9.78 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
|
|
378,280 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value |
|
|
$ 15.26 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period |
|
|
(296,886) |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value |
|
|
$ 8.63 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |
|
|
2,744 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price |
|
|
$ 10.32 |
|
| Nonvested restricted shares at end of period |
1,183,229 |
|
1,183,229 |
|
| Nonvested restricted shares at end of period, weighted average grant date fair value |
$ 11.81 |
|
$ 11.81 |
|