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Stock-based Compensation (Summary of CCIC Stock Option Activity) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2011
years
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Dec. 31, 2010
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Dec. 31, 2009
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| Share-based Compensation [Abstract] | |||
| Options outstanding (in shares) | 0.1 | 0.2 | |
| Intrinsic value of stock options exercised | $ 4.8 | $ 28.2 | $ 38.2 |
| Intrinsic value of stock options outstanding and exercisable | 2.6 | ||
| Cash received from exercise of stock options | $ 1.6 | $ 18.7 | $ 44.7 |
| Stock options outstanding and exercisable, weighted-average exercise price (in dollars per share) | $ 4.09 | ||
| Stock options outstanding and exercisable, weighted-average remaining contractual term, years | 1 | ||
| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of vested portions of options outstanding and currently exercisable under the option plan as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
The weighted average period between the balance sheet date and expiration for all vested portions of options outstanding and currently exercisable (or convertible) under the plan, which may be expressed in a decimal value for number of years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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