v3.25.2
Shareholders' Equity - Summary of Changes in Shareholders' Equity (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance $ 3,954,664 $ 4,344,381 $ 4,210,072 $ 4,364,725
Net income 333,737 400,904 633,313 795,173
Purchase of common stock for treasury (475,806) (644,920) (1,064,255) (1,143,696)
Equity-based compensation 17,812 18,101 36,339 35,242
Proceeds from Options exercised 14,724 15,442 29,662 82,464
Ending Balance $ 3,845,131 $ 4,133,908 $ 3,845,131 $ 4,133,908
Common stock repurchased (in shares) 65,834 83,168 142,954 150,026
Reissued shares during the period, shares (in shares) 4,434 5,809 14,525 44,786
Common Stock        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance $ 206 $ 206 $ 206 $ 206
Ending Balance 206 206 206 206
Additional Paid-In Capital        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 3,057,037 2,905,707 3,031,637 2,848,528
Equity-based compensation 17,812 18,101 36,339 35,242
Proceeds from Options exercised 14,724 15,442 29,662 82,464
Treasury stock issued upon Option exercise and RSU vesting (3,669) (4,197) (11,734) (31,181)
Ending Balance 3,085,904 2,935,053 3,085,904 2,935,053
Retained Earnings        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 15,346,529 13,759,294 15,046,953 13,365,025
Net income 333,737 400,904 633,313 795,173
Ending Balance 15,680,266 14,160,198 15,680,266 14,160,198
Treasury Stock        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance (14,449,108) (12,320,826) (13,868,724) (11,849,034)
Purchase of common stock for treasury (475,806) (644,920) (1,064,255) (1,143,696)
Treasury stock issued upon Option exercise and RSU vesting 3,669 4,197 11,734 31,181
Ending Balance (14,921,245) (12,961,549) (14,921,245) (12,961,549)
Deferred Compensation Trust        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance (16,710) (16,710) (16,710) (16,710)
Ending Balance (16,710) (16,710) (16,710) (16,710)
Deferred Compensation Liability        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning Balance 16,710 16,710 16,710 16,710
Ending Balance $ 16,710 $ 16,710 $ 16,710 $ 16,710