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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Consolidated Statements of Stockholders' Equity [Abstract]    
Cash Dividends-Common Stock per share $ 0.07 $ 0.07
Sale of treasury shares to 401(k), Shares 3,015 3,736
Sale of treasury shares to deferred compensation plan, Shares 1,491 1,928