Stockholders' Equity (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
0 Months Ended | 3 Months Ended | |
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Jun. 11, 2010
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Mar. 31, 2012
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Mar. 31, 2011
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Components of Stockholders' Equity [Line Items] | |||
Total intrinsic value of options exercised | $ 11.7 | $ 44.1 | |
Cash received from option exercised | 1.2 | 6.8 | |
Weighted-average fair value of employee stock options granted per share | $ 55.65 | $ 109.21 | |
Stock repurchase plan, authorized amount | 300.0 | ||
Stock repurchase program, remaining authorized repurchase amount | $ 41.0 | ||
Two Thousand And Eleven Stock Plan [Member]
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Components of Stockholders' Equity [Line Items] | |||
Common Stock, Capital Shares Reserved for Future Issuance | 5.5 | ||
Two Thousand And Two Stock Plan [Member]
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Components of Stockholders' Equity [Line Items] | |||
Common Stock, Capital Shares Reserved for Future Issuance | 1.2 |
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- Details
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- Definition
Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- 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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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount authorized by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition
The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan. No definition available.
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