Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Narrative) (Details)

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Shareholders' Equity (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Equity [Abstract]    
Stock repurchase plan, authorized amount $ 2,000,000  
Stock Repurchased During Period, Value $ 15,753 $ 217,297
Shareholders' Equity
NOTE 5 — SHAREHOLDERS' EQUITY

Since the inception of the Company's stock repurchase plan in 2004 through March 31, 2023, the Company's Board of Directors has authorized the repurchase of $2.0 billion of the Company's common stock, excluding excise tax. 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 March 31, 2023, the Company had repurchased 31.9 million shares at an aggregate purchase price of $1,486.4 million and had $513.6 million remaining available, excluding excise tax. During the three months ended March 31, 2023, the Company repurchased an aggregate of $15.8 million of common stock under this program, excluding excise tax. 		 
Aggregate shares repurchased under stock repurchase plan 31,900  
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 513,600  
Stock repurchased to date, value $ 1,486,400