Condensed Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $)	6 Months Ended
Jun. 30, 2011
Condensed Consolidated Statements Of Shareholders' Equity
Issuance of common stock from exercise of stock options and deferred compensation plans, shares	1,108,287
Cash dividends declared, per common share	$ 0.34

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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