XML 23 R70.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings per share and shareholders' equity (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Jul. 14, 2014
Dec. 19, 2013
Mar. 20, 2013
Mar. 19, 2013
Earnings per share, basic and diluted                
Distributed earnings, Basic (dollars per share) $ 0.31 $ 0.31 $ 0.93 $ 0.93        
Distributed earnings, Diluted (dollars per share) $ 0.31 $ 0.31 $ 0.93 $ 0.93        
Undistributed earnings, Basic (dollars per share) $ 0.16 $ 0.18 $ 0.40 $ 0.31        
Undistributed earnings, Diluted (dollars per share) $ 0.15 $ 0.17 $ 0.39 $ 0.30        
Earnings per share, Basic (in dollars per share) $ 0.47 $ 0.49 $ 1.33 $ 1.24        
Earnings per share, Diluted (in dollars per share) $ 0.46 $ 0.48 $ 1.32 $ 1.23        
Equity forward transaction                
Public offering related to equity forward transaction (in shares)               6,100,000
Sale of common stock related to equity forward transaction (in dollars per share) $ 26.75   $ 26.75         $ 26.75
Underwriting discount (in dollars per share) $ 1.00312   $ 1.00312          
Closing price of common stock (in dollar per share)               $ 27.01
Offering related to underwriters exercising their over-allotment option under equity forward transaction (in shares)             900,000  
Shares borrowed by forward counterparty from third party 7,000,000   7,000,000          
Underwriting discount         $ 1.0 $ 1.3    
Capital shares reserved for future issuance, equity forward transaction 4,700,000   4,700,000          
Forward sale price (in dollars per share) $ 23.23   $ 23.23         $ 25.74688
Initial fair value (in dollars per share) $ 0   $ 0          
Cash in exchange of physical delivery of shares on settlement 109   109          
Delivery of cash on settlement 16.0   16.0   23.9 32.1    
Underwriting discount included in delivery of cash $ 5   $ 5          
Delivery of net shares on settlement 588,000   588,000   1,000,000 1,300,000    
Stock appreciation rights (SARs) | Common stock
               
Antidilutive effect of HEI common stock                
Antidilutive effects of SARs shares that were not included in the computation of diluted EPS (in shares)       164,000