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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
A combined summary of activity in our active stock plans is presented in the table below. Performance stock units outstanding are presented assuming attainment of the maximum payout rate as set forth by the performance criteria. As of June 30, 2026, there were 2,113,772 shares remaining available for grant for future stock-based compensation awards.
Deferred
Stock Units
Outstanding		Non-Vested
Restricted Stock Units
Outstanding		Performance
Stock Units
Outstanding
Number
of Units		Weighted-
Average
Fair Value
at Grant		Number
of Units		Weighted-
Average
Fair Value
at Grant		Number
of Units		Weighted-
Average
Fair Value
at Grant
Balance, January 1, 202661,539 $98.38 586,298 $111.39 219,512 $101.23 
Granted8,190 142.80 2,595 139.91 — — 
Vested(6,553)102.22 (2,114)127.77 (26,844)130.26 
Forfeited— — (7,354)112.89 (25,683)130.26 
Balance, June 30, 202663,176 103.74 579,425 111.62 166,985 91.11 
Shares Issued in Connection with Stock Compensation Awards Shares issued in connection with stock compensation awards along with other related information were as follows:
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
New shares issued from available authorized shares— — — — 
Shares issued from available treasury stock6,553 36,942 35,511 140,878 
Proceeds from stock option exercises$— $2,248 $— $5,956 
Share-based Payment Arrangement, Cost by Plan
Stock-based compensation expense or benefit and the related income tax benefit is presented in the following table. The service period for performance stock units granted each year begins on January 1 of the following year.
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Non-vested stock units$3,675 $3,442 $7,417 $7,218 
Deferred stock units1,169 1,020 1,169 1,020 
Performance stock units559 370 1,998 675 
Total$5,403 $4,832 $10,584 $8,913 
Income tax benefit$860 $906 $2,202 $2,579 
Unrecognized Stock-Based Compensation Expense
Unrecognized stock-based compensation expense at June 30, 2026 is presented in the table below. Unrecognized stock-based compensation expense related to performance stock units is presented assuming attainment of the maximum payout rate as set forth by the performance criteria.
Non-vested stock units$21,693 
Performance stock units7,916 
Total$29,609