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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

No definition available.

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Amount of stock repurchase plan authorized.

No definition available.

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Amount remaining of a stock repurchase plan authorized.

No definition available.

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Number of shares that have been repurchased and retired during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Total cost of shares repurchased divided by the total number of shares repurchased.

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