Stock-Based Payments (Stock Option Activity) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding in Shares [Roll Forward] | ||
Number of shares outstanding at December 31, 2010 (shares) | 7,086,080 | |
Number of shares granted | 81,040 | |
Number of shares exercised | (744,509) | |
Number of shares cancelled | (527,340) | |
Number of shares outstanding at December 31, 2011 (shares) | 5,895,271 | |
Number of shares exercisable at December 31, 2011 (shares) | 4,066,056 | |
Weighted average exercise price granted | $ 54 | |
Weighted average exercise price exercised | $ 30 | |
Weighted average exercise price cancelled | $ 78 | |
Weighted average exercise price outstanding | $ 63 | $ 60 |
Weighted average exercise price exercisable at December 31, 2011 | $ 65 | |
Aggregate intrinsic value outstanding | $ 15.2 | $ 29.1 |
Aggregate intrinsic value exercisable at December 31, 2011 | $ 14.9 |
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- Details
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded. No definition available.
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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