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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2011
Schedule Of Weighted Average Option Fair Values And Assumptions |
|  | Three Months Ended June 30, |
|  | 2011 |  |  | 2010 |
Weighted average fair value of grants |  | $ | 12.89 |  |  | $ | 9.22 |
Dividend yield |  |  | 1.35 | % |  |  | 1.85 | %
Volatility |  |  | 31.96 | % |  |  | 32.97 | %
Risk-free forward interest rate |  |  | 0.26% - 5.62 | % |  |  | 0.34% - 5.33 | %
Expected life (in years) |  |  | 5.89 |  |  |  | 5.97 |
|  | Six Months Ended June 30, |
|  | 2011 |  |  | 2010 |
Weighted average fair value of grants |  | $ | 12.31 |  |  | $ | 9.54 |
Dividend yield |  |  | 1.45 | % |  |  | 1.50 | %
Volatility |  |  | 32.73 | % |  |  | 33.45 | %
Risk-free forward interest rate |  |  | 0.28% - 5.62 | % |  |  | 0.32% - 5.69 | %
Expected life (in years) |  |  | 6.13 |  |  |  | 5.98 |
Stock Options [Member] |
Schedule Of Compensation Cost For Stock Options And Unvested Shares |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
|  | (In thousands) |
Cost of goods sold |  | $ | 208 |  |  | $ | 271 |  |  | $ | 443 |  |  | $ | 529 |
Selling, general and administrative expenses |  |  | 1,930 |  |  |  | 1,906 |  |  |  | 3,983 |  |  |  | 3,863 |
Total expense before income taxes |  |  | 2,138 |  |  |  | 2,177 |  |  |  | 4,426 |  |  |  | 4,392 |
Income tax benefit |  |  | (716 | ) |  |  | (713 | ) |  |  | (1,452 | ) |  |  | (1,413 | )
Total expense after income taxes |  | $ | 1,422 |  |  | $ | 1,464 |  |  | $ | 2,974 |  |  | $ | 2,979 |
Unvested Shares [Member] |
Schedule Of Compensation Cost For Stock Options And Unvested Shares |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
|  | (In thousands) |
Cost of goods sold |  | $ | 150 |  |  | $ | 138 |  |  | $ | 298 |  |  | $ | 265 |
Selling, general and administrative expenses |  |  | 2,945 |  |  |  | 2,267 |  |  |  | 5,358 |  |  |  | 4,673 |
Total expense before income taxes |  |  | 3,095 |  |  |  | 2,405 |  |  |  | 5,656 |  |  |  | 4,938 |
Income tax benefit |  |  | (582 | ) |  |  | (483 | ) |  |  | (1,086 | ) |  |  | (1,050 | )
Total expense after income taxes |  | $ | 2,513 |  |  | $ | 1,922 |  |  | $ | 4,570 |  |  | $ | 3,888 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + Details
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