Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Narrative) (Details)

v3.20.4
Shareholders' Equity (Narrative) (Details) - USD ($)
shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jan. 29, 2021
Subsequent Event [Line Items]        
Stock repurchase plan, authorized amount $ 1,100,000      
Aggregate shares repurchased under stock repurchase plan 26,800      
Stock repurchased to date, value $ 1,017,800      
Stock Repurchased During Period, Value 132,889 $ 121,229 $ 201,600  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 82,200      
Shareholders' Equity
NOTE 13—SHAREHOLDERS' EQUITY
Since the inception of the Company's stock repurchase plan in 2004 through December 31, 2020, the Company's Board of Directors has authorized the repurchase of $1.1 billion of the Company's common stock. 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 December 31, 2020, the Company had repurchased 26.8 million shares at an aggregate purchase price of $1,017.8 million and have $82.2 million remaining available. During the year ended December 31, 2020, the Company purchased an aggregate of $132.9 million of common stock under this program.
In January 2021, the Company's Board of Directors approved a $400.0 million increase in share repurchase authorization.
     
Subsequent Event        
Subsequent Event [Line Items]        
Stock repurchase plan, authorized amount       $ 400,000