Share-Based Compensation - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2012
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Unrecognized compensation cost related to unvested stock option and RSUs | $ 48.5 |
Weighted-average period expected to be recognized | 2 years 9 months 18 days |
Restricted Stock Units (RSUs)
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Share based compensation shares granted | 452,793 |
Weighted average grant date fair value | $ 51.59 |
Vesting period | 4 years |
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- Definition
As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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