Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.2.0.727
Subsequent Events - Additional Information (Details) - USD ($)
shares in Thousands, $ in Thousands
 1 Months Ended 6 Months Ended
Jul. 24, 2015
Jun. 30, 2015
Jun. 30, 2014
Subsequent Event [Line Items]      
Common stock repurchased (in shares)   288,156 393,809
Common stock repurchased, value   $ 1,093,955 $ 1,552,903
Common Stock [Member]      
Subsequent Event [Line Items]      
Common stock repurchased (in shares)   0  
Common stock repurchased, value   $ 0  
Common Stock [Member] | Open Market And Privately Negotiated Repurchases [Member]      
Subsequent Event [Line Items]      
Common stock repurchased (in shares) [1]   288,156 188,420
Common stock repurchased, value [1]   $ 1,093,955 $ 612,903
Subsequent Event [Member] | Common Stock [Member] | Open Market And Privately Negotiated Repurchases [Member]      
Subsequent Event [Line Items]      
Common stock repurchased (in shares) 47,317    
Common stock repurchased, value $ 179,199    
[1] As of June 30, 2015, $35,795 of common stock repurchases had not settled, nor been retired, and were recorded as Treasury stock within our unaudited consolidated balance sheets and unaudited consolidated statements of stockholders’ equity.