Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Narrative) (Details)

Shareholders' Equity (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Equity [Abstract]        
Stock repurchase plan, authorized amount $ 2,000,000   $ 2,000,000  
Aggregate shares repurchased under stock repurchase plan 31,700   31,700  
Stock repurchased to date, value $ 1,470,600   $ 1,470,600  
Stock Repurchased During Period, Value $ 69,643 $ 43,643 $ 286,940 $ 54,866
Shareholders' Equity    

Since the inception of the Company's stock repurchase plan in 2004 through June 30, 2022, the Company's Board of Directors has authorized the repurchase of $2.0 billion of the Company's common stock, including an additional $500 million approved by the Company’s Board of Directors at its regular board meeting in April 2022. Shares of the Company's common stock may be purchased in the open market or through privately negotiated transactions, subject to market conditions, and generally settle subsequent to the trade date. The repurchase program does not obligate the Company to acquire any specific number of shares or to acquire shares over any specified period of time.
Under this program as of June 30, 2022, the Company had repurchased 31.7 million shares at an aggregate purchase price of $1,470.6 million and had $529.4 million remaining available. During the three and six months ended June 30, 2022, the Company repurchased an aggregate of $69.6 million and $286.9 million, respectively, of the Company's common stock under this program.
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 529,400   529,400