XML 18 R5.htm IDEA: XBRL DOCUMENT v3.6.0.2
Consolidated Statements of Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Noncontrolling Interests [Member]
Balance at Dec. 31, 2013 $ 2,342,988 $ 1,012 $ 857,953 $ 1,484,023  
Balance, Shares at Dec. 31, 2013   101,207      
Contributions from noncontrolling interests 1,025       $ 1,025
Net income (loss) 317,203       (78)
Net income (loss) 317,281     317,281  
Common stock issued under employee stock option and employee stock purchase plan 42,876 $ 13 42,863    
Common stock issued under employee stock option and employee stock purchase plan, shares   1,412      
Issuance of restricted stock and vesting of deferred stock   $ 6 (6)    
Issuance of restricted stock and vesting of deferred stock, shares   573      
Issuance of restricted stock for contingent consideration 705   705    
Issuance of restricted stock for contingent consideration, shares   12      
Stock-based compensation expense 31,719   31,719    
Forfeitures of restricted stock, shares   (34)      
Repurchased common stock (488,429) $ (71) (63,836) (424,522)  
Repurchased common stock, shares   (7,140)      
Excess tax benefit related to employee stock incentive plans 17,479   17,479    
Balance at Dec. 31, 2014 2,265,566 $ 960 886,877 1,376,782 947
Balance, Shares at Dec. 31, 2014   96,030      
Net income (loss) 335,691       (629)
Net income (loss) 336,320     336,320  
Common stock issued under employee stock option and employee stock purchase plan 20,128 $ 5 20,123    
Common stock issued under employee stock option and employee stock purchase plan, shares   463      
Issuance of restricted stock and vesting of deferred stock   $ 5 (5)    
Issuance of restricted stock and vesting of deferred stock, shares   527      
Issuance of restricted stock for acquisition consideration 7,800 $ 1 7,799    
Issuance of restricted stock for acquisition consideration, shares   114      
Stock-based compensation expense 32,129   32,129    
Forfeitures of restricted stock, shares   (30)      
Repurchased common stock $ (235,051) $ (34) (32,271) (202,746)  
Repurchased common stock, shares (3,400) (3,365)      
Excess tax benefit related to employee stock incentive plans $ 11,583   11,583    
Balance at Dec. 31, 2015 2,437,846 $ 937 926,235 1,510,356 318
Balance, Shares at Dec. 31, 2015   93,739      
Net income (loss) 324,596       $ (318)
Net income (loss) 324,914     324,914  
Common stock issued under employee stock option and employee stock purchase plan 22,022 $ 5 22,017    
Common stock issued under employee stock option and employee stock purchase plan, shares   473      
Issuance of restricted stock   $ 5 (5)    
Issuance of restricted stock, shares   505      
Stock-based compensation expense 34,000   34,000    
Forfeitures of restricted stock   $ (1) 1    
Forfeitures of restricted stock, shares   (53)      
Repurchased common stock $ (61,828) $ (9) (12,075) (49,744)  
Repurchased common stock, shares (900) (946)      
Excess tax benefit related to employee stock incentive plans $ 4,131   4,131    
Balance at Dec. 31, 2016 $ 2,760,767 $ 937 $ 974,304 $ 1,785,526  
Balance, Shares at Dec. 31, 2016   93,718