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Per Share Information
 9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Per Share Information
7. PER SHARE INFORMATION:
The amounts used to compute basic and diluted earnings per share attributable to common stock consisted of the following (in thousands):
Three Months EndedNine Months Ended
September 30,September 30,
2025202420252024
Amounts attributable to common stock:
Net income attributable to common stock$339,420 $293,185 $712,928 $599,704 
Weighted average shares:
Weighted average shares outstanding for basic earnings per share attributable to common stock149,039 147,394 148,590 146,639 
Effect of dilutive unvested non-participating stock-based awards2,457 3,162 2,538 3,272 
Weighted average shares outstanding for diluted earnings per share attributable to common stock151,496 150,556 151,128 149,911