|
Share-Based Compensation Level 4 (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
|
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2011
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Total pretax employee share-based compensation expense included in net income |
|
$ 9,144 |
$ 8,878 |
$ 9,684 |
| Income tax benefit related to share-based compensation included in net income |
|
3,218 |
3,740 |
3,705 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options |
|
13,404,216 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term |
|
4.8 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance |
|
$ 7.88 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options |
|
8,216,969 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price |
|
$ 8.17 |
|
|
|
Stock Options [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Dividend yield |
|
2.40% |
1.90% |
3.50% |
| Expected volatility |
|
38.40% |
37.50% |
32.30% |
| Risk-free interest rate |
|
2.40% |
2.30% |
1.80% |
| Expected holding period |
|
5.0 |
5.0 |
5.0 |
| Total pretax employee share-based compensation expense included in net income |
|
5,100 |
5,300 |
6,500 |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Options outstanding at beginning of period |
12,312,783 |
12,312,783 |
|
|
| Options outstanding at beginning of period, weighted average exercise price |
$ 7.53 |
$ 7.53 |
|
|
| Granted |
|
2,394,430 |
|
|
| Granted, Weighted Average Exercise Price |
|
$ 9.09 |
|
|
| Exercised |
|
(1,208,140) |
|
|
| Exercised, Weighted Average Exercise Price |
|
$ 6.81 |
|
|
| Cancelled |
(94,857) |
|
|
|
| Cancelled, Weighted Average Exercise Price |
$ 5.32 |
|
|
|
| Options outstanding at end of period |
13,404,216 |
|
12,312,783 |
|
| Options outstanding at end of period, weighted average exercise price |
$ 7.88 |
|
$ 7.53 |
|
| Options exercisable at December 31, 2011 |
13,404,216 |
|
12,312,783 |
|
| Options exercisable at December 31, 2011, Weighted Average Exercise Price |
$ 7.88 |
|
$ 7.53 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number |
8,216,969 |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price |
$ 8.17 |
|
|
|
|
Restricted Stock [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Total pretax employee share-based compensation expense included in net income |
|
$ 4,100 |
$ 3,600 |
$ 3,200 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |
|
|
|
|
| Nonvested restricted shares at beginning of period |
1,167,273 |
1,167,273 |
|
|
| Nonvested restricted shares at beginning of period, weighted average grant date fair value |
$ 6.35 |
$ 6.35 |
|
|
| Granted |
|
538,620 |
|
|
| Granted, Weighted Average Grant Date Fair Value |
|
$ 9.13 |
|
|
| Vested |
|
(540,723) |
|
|
| Vested, Weighted Average Grant Date Fair Value |
|
$ 6.58 |
|
|
| Nonvested restricted shares at end of period |
|
1,165,170 |
1,167,273 |
|
| Nonvested restricted shares at end of period, weighted average grant date fair value |
|
$ 7.53 |
$ 6.35 |
|
|
Stock Option Plan Exercise Range 1 [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit |
|
$ 4.01 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit |
|
$ 6.00 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options |
|
3,675,996 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term |
|
5.1 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance |
|
$ 4.18 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options |
|
2,366,751 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price |
|
$ 4.18 |
|
|
|
Stock Option Plan Exercise Range 2 [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit |
|
$ 6.01 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit |
|
$ 9.00 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options |
|
3,883,760 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term |
|
4.2 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance |
|
$ 7.74 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options |
|
2,405,385 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price |
|
$ 7.80 |
|
|
|
Stock Option Plan Exercise Range 3 [Member]
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit |
|
$ 9.01 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit |
|
$ 15.00 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options |
|
5,844,460 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term |
|
5.0 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price, Beginning Balance |
|
$ 10.31 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options |
|
3,444,833 |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price |
|
$ 11.16 |
|
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