XML 17 R7.htm IDEA: XBRL DOCUMENT v3.19.2
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Retained Earnings [Member]        
Common dividends declared, per share (in dollars per share) $ 0.25 $ 0.18 $ 0.46 $ 0.84
Treasury Stock [Member]        
Common stock options exercised, shares (in shares) 2,927 8,653 4,345 10,350
Issuance of stock to 401(k) plan, shares (in shares)   2,709   7,652
Purchase of treasury shares, shares (in shares)       474,240
Purchase of treasury shares, per share (in dollars per share)       $ 31.03
Common dividends declared, per share (in dollars per share) $ 0.25 $ 0.18 $ 0.46 $ 0.84
Issuance of stock to 401(k) plan, shares (in shares) 2,555   6,653  
Purchase of treasury shares, shares (in shares)   286,930    
Purchase of treasury shares, per share (in dollars per share)   $ 32.43    
Repurchase of common shares, shares (in shares) 194,000   426,900  
Repurchase of common shares, per share (in dollars per share) $ 33.90   $ 33.63