XML 88 R49.htm IDEA: XBRL DOCUMENT v3.2.0.727
Earnings Per Share - Additional Information (Details) - $ / shares
Jul. 09, 2015
May. 05, 2015
Feb. 24, 2015
Earnings Per Share Disclosure [Line Items]      
Increase in dividend rate, percentage     5.00%
Cash dividend, amount per share (in dollars per share)   $ 0.29 $ 0.29
Subsequent Event      
Earnings Per Share Disclosure [Line Items]      
Cash dividend, amount per share (in dollars per share) $ 0.29