XML 40 R30.htm IDEA: XBRL DOCUMENT v3.5.0.2
Earnings Per Share (Narrative) (Details) - $ / shares
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Earnings Per Share [Abstract]      
Stock options strike price, lower range limit $ 28.41    
Stock options strike price, upper range limit $ 29.08    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 58,300 0  
Share price $ 28.00   $ 28.75