Quarterly report pursuant to Section 13 or 15(d)

Business and Summary of Significant Accounting Principles (Weighted Average Shares outstanding which are anti-dilutive) (Details)

v3.3.0.814
Business and Summary of Significant Accounting Principles (Weighted Average Shares outstanding which are anti-dilutive) (Details) - shares
shares in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Class of Stock [Line Items]        
Shares associated with anti-dilutive securities 0 28 741 30
Derivative instruments that may be settled in cash or shares, the effect of which is anti-dilutive        
Class of Stock [Line Items]        
Shares associated with anti-dilutive securities 0 0 595 0
Shares associated with anti-dilutive unexercised stock options        
Class of Stock [Line Items]        
Shares associated with anti-dilutive securities 0 28 120 30
Share-based compensation that may be settled in cash or shares, the effect of which is anti-dilutive        
Class of Stock [Line Items]        
Shares associated with anti-dilutive securities 0 0 26 0