Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Share Repurchase Program (Details)

v3.4.0.3
Stockholders' Equity Share Repurchase Program (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Class of Stock [Line Items]    
Stock Repurchase Program, Number of Shares Authorized to be Repurchased 75,000,000 25,000,000
Stock Repurchase Program, Number of Additional Shares Authorized to be Repurchased 50,000,000  
Stock Repurchase Program, Number of Shares Repurchased and Retired to Date 24,135,000  
Stock Repurchase Program, Value of Shares Repurchased and Retired to Date $ 200,375  
Stock Repurchased and Retired During Period, Shares 8,020,000  
Stock Repurchased and Retired During Period, Value $ 61,307  
Common Stock [Member]    
Class of Stock [Line Items]    
Stock Repurchased and Retired During Period, Shares 8,020,000  
Stock Repurchased and Retired During Period, Value $ 80