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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2012

Share-Based Compensation [Abstract]

Schedule Of Performance Vesting Restricted Stock Units Granted

		Grant Year
		2012				2011				2010
Three-year performance period ending December 31,			2014				2013				2012
Vesting shares, target (1)			92,000				80,000				55,000
Vesting shares, maximum (1)			207,000				120,000				55,000

(1) 2010 grant includes 10,000 shares of restricted stock.

X

- Definition

Tabular disclosure of the number, aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both restricted stock units outstanding and restricted stock units fully vested and expected to vest at the date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic 718

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph (e)(1)

-Name Accounting Standards Codification

-Paragraph 2

-Section 50

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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