XML 68 R6.htm IDEA: XBRL DOCUMENT v2.4.0.6
CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cash dividends per common share $ 0.34 $ 0.34 $ 0.34