Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.4.0.3
Subsequent Events - Additional Information (Details) - USD ($)
shares in Thousands, $ in Thousands
1 Months Ended 3 Months Ended
Apr. 26, 2016
Mar. 31, 2016
Mar. 31, 2015
Subsequent Event [Line Items]      
Common stock repurchased (in shares)   158,965 143,717
Common stock repurchased, value   $ 588,480 $ 534,040
Open Market      
Subsequent Event [Line Items]      
Common stock repurchased (in shares)   158,965 143,717
Common stock repurchased, value   $ 588,480 $ 534,040
Subsequent Event | Open Market      
Subsequent Event [Line Items]      
Common stock repurchased (in shares) 31,500    
Common stock repurchased, value $ 123,260