Share Options And Awards (Policy)	9 Months Ended
Sep. 30, 2011
Share Options And Awards [Abstract]
Recognition Of Compensation Expense For Equity Awards	Our policy is to recognize compensation expense for equity awards ratably over the vesting period, except for retirement eligible amounts.

- Definition

Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement.

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