Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Details)

v3.4.0.3
Net Income (Loss) Per Share (Details) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Stock Compensation Plan [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans 0 0
Shares not included in the computation of diluted earnings per share 753,591 522,922
Deferred Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Shares not included in the computation of diluted earnings per share 167,390 205,010