Share-Based Compensation (Details)
$ / shares in Units, $ in Millions |
9 Months Ended |
|
Sep. 30, 2016
USD ($)
$ / shares
shares
|
|---|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price | $ / shares |
$ 20.98
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
13,000,000
|
| Stock Options |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ |
$ 10.3
|
| Dividend yield |
2.00%
|
| Expected volatility |
19.70%
|
| Risk-free interest rate |
1.00%
|
| Expected holding period |
4 years
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
| Options outstanding at beginning of period |
11,047,920
|
| Options outstanding at beginning of period, weighted average exercise price | $ / shares |
$ 13.98
|
| Granted |
1,863,700
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares |
$ 22.28
|
| Exercised |
1,924,324
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ / shares |
$ 8.33
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares |
(28,272)
|
| Options outstanding at end of period |
10,959,024
|
| Options outstanding at end of period, weighted average exercise price | $ / shares |
$ 16.36
|
| Options exercisable at end of period |
7,100,945
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $ / shares |
$ 13.54
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
1 year 3 months 18 days
|
| Restricted Stock |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ |
$ 7.1
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
| Nonvested restricted shares at beginning of period |
573,739
|
| Nonvested restricted shares at beginning of period, weighted average grant date fair value | $ / shares |
$ 19.32
|
| Other than Options, Grants in Period |
241,510
|
| Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |
$ 22.28
|
| Other than Options, Vested in Period |
(313,247)
|
| Other than Options, Vested in Period, Weighted Average Grant Date Fair Value | $ / shares |
$ 18.14
|
| Other than Options, Forfeited in Period |
(1,258)
|
| Other than Options, Forfeitures, Weighted Average | $ / shares |
$ 20.85
|
| Nonvested restricted shares at end of period |
500,744
|
| Nonvested restricted shares at end of period, weighted average grant date fair value | $ / shares |
$ 21.48
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
1 year 9 months 18 days
|
| Restricted Stock Units (RSUs) [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ |
$ 2.7
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
| Nonvested restricted shares at beginning of period |
0
|
| Nonvested restricted shares at beginning of period, weighted average grant date fair value | $ / shares |
$ 0.00
|
| Other than Options, Grants in Period |
130,660
|
| Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares |
$ 25.72
|
| Other than Options, Forfeited in Period |
(5,200)
|
| Other than Options, Forfeitures, Weighted Average | $ / shares |
$ 25.72
|
| Nonvested restricted shares at end of period |
125,460
|
| Nonvested restricted shares at end of period, weighted average grant date fair value | $ / shares |
$ 25.72
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
2 years 3 months 18 days
|