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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2023
Share-Based Compensation [Abstract]  
Non-vested Stock and Performance Unit Activity
The following table summarizes the non-vested stock and performance stock unit activity:

 
(In thousands except fair value)
  
Shares
    
Grant Date
Weighted Average
Fair Value
    
Aggregate Intrinsic
Value
  
Outstanding at December 31, 2020
    
451
    
$
63.28
    
$
33,283
  
Granted
    
129
      
90.10
          
Vested
    
(25
)
    
61.91
          
Cancelled
    
(73
)
    
72.37
          
Outstanding at December 31, 2021
    
482
      
69.15
      
48,271
  
Granted
    
168
      
73.52
          
Vested
    
(62
)
    
58.81
          
Cancelled
    
(69
)
    
58.62
          
Outstanding at December 31, 2022
    
519
      
73.19
      
37,883
  
Granted
    
201
      
61.61
          
Vested, net
    
(179
)
    
63.02
          
Cancelled
    
(5
)
    
72.45
          
Outstanding at December 31, 2023
    
536
    
$
72.26
    
$
35,383