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The performance period for market value stock units.

No definition available.

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Represents the maximum aggregate number of shares of common stock that are available for the Company's employees to purchase under the Employee Stock Purchase Plan.

No definition available.

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Represents the maximum percentage of aggregate cash compensation that can be used to purchase the Company's stock using payroll deductions.

No definition available.

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Represents the percentage of the total combined voting power or value of all classes of the Company's stock that makes an employee ineligible to participate in the employee stock purchase plan.

No definition available.

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The percentage of the target number of shares based on the Company’s achievement of total shareholder return (TSR) in comparison to the TSR of the companies in the S&P 500 Index over a period of approximately three years.

No definition available.

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Represents the purchase price per share of the Company's common stock that participants will be granted the right to purchase, expressed as a percentage of the fair market value of the Company's common shares at the beginning or end of each six-month period.

No definition available.

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Aggregate number of common shares reserved for future issuance.

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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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Amount of cash inflow from exercise of option under share-based payment arrangement.

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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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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).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

No definition available.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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