Annual awards for eligible directors are calculated by dividing a predetermined amount by the fair market value of a share of stock on the date of grant.

No definition available.

Number of common shares to be paid upon conversion of PSUs.

No definition available.

Period which an employee's granted award is measured based on a performance condition.

No definition available.

Number of share-based compensation plans.

No definition available.

The total number of units available for grant equals the excess of a predetermined number of shares over the sum of the number of shares subject to outstanding awards granted and the number of shares previously issued.

No definition available.

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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