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Share-Based Compensation Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Share-Based Compensation Plans |
Schedule of stock option activity |
Stock Options |  | Option Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (In years) |  | Aggregate Intrinsic Value (In millions) |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Outstanding at December 31, 2009 |  |  | 3,809,229 |  | $ | 41.22 |  |  |  |  |  |  |
Granted |  |  | 1,039,400 |  |  | 42.89 |  |  |  |  |  |  |
Exercised |  |  | (827,452 | ) |  | 25.68 |  |  |  |  |  |  |
Expired or forfeited |  |  | (141,125 | ) |  | 47.10 |  |  |  |  |  |  |
Outstanding at December 31, 2010 |  |  | 3,880,052 |  |  | 44.76 |  |  |  |  |  |  |
Granted |  |  | 1,037,250 |  |  | 55.73 |  |  |  |  |  |  |
Exercised |  |  | (266,392 | ) |  | 41.60 |  |  |  |  |  |  |
Expired or forfeited |  |  | (135,350 | ) |  | 47.57 |  |  |  |  |  |  |
Outstanding at December 31, 2011 |  |  | 4,515,560 |  |  | 47.39 |  |  |  |  |  |  |
Exercised |  |  | (1,018,010 | ) |  | 41.40 |  |  |  |  |  |  |
Expired or forfeited |  |  | (92,050 | ) |  | 49.55 |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 3,405,500 |  | $ | 49.12 |  |  | 3.6 |  | $ | 44.4 |
Exercisable at December 31, 2012 |  |  | 2,028,387 |  | $ | 49.67 |  |  | 3.0 |  | $ | 25.4 |
Schedule of weighted average assumptions for estimation of fair value of each option |
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2011 |  | 2010 |
Weighted average assumptions used: |  |  |  |  |  |  |
Exercise price |  | $ | 55.73 |  | $ | 42.89 |
Risk free interest rate |  |  | 2.20 | % |  | 2.35 | %
Expected life in years |  |  | 4.8 |  |  | 4.8 |
Expected volatility |  |  | 60 | % |  | 60 | %
Expected dividend yield |  |  | 0.86 | % |  | 0.93 | %
Grant date fair value |  | $ | 26.98 |  | $ | 20.62 |
Summary of the status of the Company's non-vested stock options and changes during the year |
Non-vested Options |  | Shares |  | Weighted Average Grant Date Fair Value |
--- | --- | --- | --- | --- | ---
Non-vested at January 1, 2012 |  |  | 2,369,525 |  | $ | 22.28 |
Forfeited |  |  | (64,425 | ) | $ | 22.29 |
Vested |  |  | (927,987 | ) | $ | 20.90 |
Non-vested at December 31, 2012 |  |  | 1,377,113 |  | $ | 23.21 |
Summary of certain information concerning outstanding and exercisable options |
|  |  |  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | --- | --- | ---
Range of Exercise Price |  | Outstanding at December 31, 2012 |  | Weighted Average Remaining Contractual Life in Years |  | Weighted Average Exercise Price |  | Exercisable at December 31, 2012 |  | Weighted Average Exercise Price of Options Exercisable |
| $15 - $19 |  |  | 18,000 |  |  | 2.4 |  | $ | 18.31 |  |  | 18,000 |  | $ | 18.31 |
| $24 - $28 |  |  | 21,180 |  |  | 2.5 |  | $ | 25.17 |  |  | 21,180 |  | $ | 25.17 |
| $33 - $38 |  |  | 446,450 |  |  | 3.6 |  | $ | 34.05 |  |  | 247,275 |  | $ | 34.33 |
| $42 - $45 |  |  | 1,055,235 |  |  | 3.5 |  | $ | 43.44 |  |  | 604,085 |  | $ | 43.91 |
| $55 - $57 |  |  | 1,798,635 |  |  | 3.7 |  | $ | 56.23 |  |  | 1,071,847 |  | $ | 56.58 |
| $61 - $67 |  |  | 66,000 |  |  | 4.9 |  | $ | 64.03 |  |  | 66,000 |  | $ | 64.03 |
| $15 - $67 |  |  | 3,405,500 |  |  | 3.6 |  | $ | 49.12 |  |  | 2,028,387 |  | $ | 49.67 |
Summary of the status of the Company's non-vested restricted stock and restricted stock units and changes during the year |
Non-vested Options |  | Shares |  | Weighted Average Grant Date Fair Value |
--- | --- | --- | --- | --- | ---
Non-vested at January 1, 2012 |  |  | 134,800 |  | $ | 38.72 |
Granted |  |  | 407,892 |  | $ | 57.11 |
Vested |  |  | (46,242 | ) | $ | 42.91 |
Non-vested at December 31, 2012 |  |  | 496,450 |  | $ | 53.44 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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