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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2012
Stock-Based Compensation |
Schedule of stock option activity and related information |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
|  | Options |  | Weighted Average Exercise Price |  | Weighted Average Intrinsic Value |  | Options |  | Weighted Average Exercise Price |  | Options |  | Weighted Average Exercise Price |
|  | (Options in thousands) |
Outstanding at beginning of year |  |  | 1,272 |  | $ | 30.43 |  |  |  |  |  | 1,303 |  | $ | 29.00 |  |  | 1,300 |  | $ | 26.25 |
Granted |  |  | 415 |  |  | 37.67 |  |  |  |  |  | 295 |  |  | 29.39 |  |  | 282 |  |  | 33.65 |
Cancelled/Forfeitures |  |  | (33 | ) |  | 31.18 |  |  |  |  |  | (78 | ) |  | 30.38 |  |  | (94 | ) |  | 23.33 |
Exercised |  |  | (590 | ) |  | 30.19 |  |  |  |  |  | (248 | ) |  | 21.68 |  |  | (185 | ) |  | 19.69 |
Outstanding at end of year |  |  | 1,064 |  | $ | 33.37 |  | $ | 9.62 |  |  | 1,272 |  | $ | 30.43 |  |  | 1,303 |  | $ | 29.00 |
Exercisable at end of year |  |  | 360 |  | $ | 30.91 |  | $ | 12.08 |  |  | 745 |  | $ | 30.61 |  |  | 769 |  | $ | 27.56 |
Schedule of information about options outstanding | The following table summarizes information about options outstanding at December 31, 2012:
|  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | ---
Range of Exercise Prices |  | Number Outstanding |  | Weighted Average Remaining Contractual Life (years) |  | Weighted Average Exercise Price |  | Number Exercisable |  | Weighted Average Exercise Price |
|  | (Options in thousands) |
$17.30 - $29.05 |  |  | 322 |  |  | 7.50 |  | $ | 28.21 |  |  | 120 |  | $ | 27.44 |
$29.35 - $33.65 |  |  | 282 |  |  | 6.01 |  |  | 32.61 |  |  | 205 |  |  | 32.22 |
$35.20 - $35.70 |  |  | 46 |  |  | 5.31 |  |  | 35.36 |  |  | 35 |  |  | 35.25 |
$37.41 - $40.17 |  |  | 414 |  |  | 9.61 |  |  | 37.67 |  |  | — |  |  | — |
|  |  | 1,064 |  |  | 7.83 |  | $ | 33.37 |  |  | 360 |  | $ | 30.91 |
Schedule of weighted average assumptions used to estimate the grant-date fair value of share issued under the 2004 Stock Incentive Plan |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Expected life (years) |  |  | 6.0 |  |  | 6.0 |  |  | 6.0 |
Expected stock price volatility |  |  | 41.2 | % |  | 40.9 | % |  | 41.3 | %
Expected dividend yield |  |  | 1.2 | % |  | 1.5 | % |  | 1.3 | %
Risk-free interest rate |  |  | 0.9 | % |  | 1.6 | % |  | 1.9 | %
Schedule of unvested restricted stock activity and related information |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
|  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value |
|  | (Shares in thousands) |
Unvested at beginning of year |  |  | 153 |  | $ | 30.33 |  |  | 162 |  | $ | 31.39 |  |  | 117 |  | $ | 28.20 |
Granted |  |  | 170 |  |  | 37.62 |  |  | 115 |  |  | 29.51 |  |  | 105 |  |  | 33.65 |
Cancelled/Forfeitures |  |  | (8 | ) |  | 30.66 |  |  | (14 | ) |  | 31.12 |  |  | (7 | ) |  | 28.09 |
Vested |  |  | (78 | ) |  | 30.61 |  |  | (110 | ) |  | 30.94 |  |  | (53 | ) |  | 29.24 |
Unvested at end of year |  |  | 237 |  | $ | 35.45 |  |  | 153 |  | $ | 30.33 |  |  | 162 |  | $ | 31.39 |
Schedule of the Company's RSU activity and related information |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
|  | RSUs |  | Weighted Average Purchase Price |  | Weighted Average Intrinsic Value |  | RSUs |  | Weighted Average Purchase Price |  | RSUs |  | Weighted Average Purchase Price |
|  | (RSU's in thousands) |
Outstanding at beginning of period |  |  | 392 |  | $ | 18.74 |  |  |  |  |  | 361 |  | $ | 16.92 |  |  | 350 |  | $ | 18.13 |
Granted |  |  | 64 |  |  |  |  |  |  |  |  | 99 |  |  | 25.15 |  |  | 159 |  |  | 19.87 |
Cancelled/Forfeitures |  |  | (110 | ) |  |  |  |  |  |  |  | (10 | ) |  | 20.92 |  |  | (21 | ) |  | 16.68 |
Settled |  |  | (150 | ) |  |  |  |  |  |  |  | (58 | ) |  | 18.01 |  |  | (127 | ) |  | 23.95 |
Outstanding at end of period |  |  | 196 |  | $ | 22.88 |  | $ | 20.11 |  |  | 392 |  | $ | 18.74 |  |  | 361 |  | $ | 16.92 |
Vested at end of period |  |  | 81 |  | $ | 20.36 |  | $ | 22.63 |  |  | 157 |  | $ | 15.57 |  |  | 105 |  | $ | 15.21 |
Schedule of information about RSUs outstanding | The following table summarizes information about RSUs outstanding at December 31, 2012:
|  | RSUs Outstanding |  | RSUs Vested |
--- | --- | --- | --- | --- | ---
Range of Purchase Prices |  | Number Outstanding |  | Weighted Average Purchase Price |  | Number Vested |  | Weighted Average Purchase Price |
|  | (RSUs in thousands) |
$10.51 - $19.87 |  |  | 86 |  | $ | 19.14 |  |  | 61 |  | $ | 18.84 |
$25.15 - $25.15 |  |  | 55 |  |  | 25.15 |  |  | 20 |  |  | 25.15 |
$26.51 - $26.51 |  |  | 55 |  |  | 26.51 |  |  | — |  |  | — |
|  |  | 196 |  | $ | 22.88 |  |  | 81 |  | $ | 20.36 |
Schedule of weighted average assumptions used to estimate the grant-date fair value of restricted stock units |
|  | Years Ended December 31, |
--- | --- | --- | ---
|  | 2012 |  | 2011 |  | 2010 |
Expected life (years) |  |  | 3.0 |  |  | 3.0 |  |  | 3.0 |
Expected stock price volatility |  |  | 38.3 | % |  | 44.9 | % |  | 45.6 | %
Expected dividend yield |  |  | 1.1 | % |  | 1.2 | % |  | 1.5 | %
Risk-free interest rate |  |  | 0.4 | % |  | 1.2 | % |  | 1.5 | %

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