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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Stock-Based Compensation Expense and Related Tax Benefit
Total stock-based compensation expense and the related tax benefit were as follows:
Three Months Ended March 31,
In thousands20242023
Stock options$— $60 
Restricted stock units11,093 6,583 
Unrestricted stock awards336 276 
Phantom stock units1,449 777 
Total stock-based compensation$12,878 $7,696 
Related tax benefit$2,799 $1,703 
Employee Stock Options Activity
A summary of our stock option activity is as follows:
SharesWeighted
Average Exercise
Price per Share		Weighted Average
Remaining
Contractual Life		Aggregate
Intrinsic Value		Weighted
Average Grant
Date Fair Value
In thousandsYearsIn thousands
Outstanding, January 1, 2023381 $60.63 4.8$1,892 
Granted— — $— 
Exercised— — — 
Forfeited— — 
Canceled— — 
Outstanding, March 31, 2023381 $60.63 4.6$2,549 
Outstanding, January 1, 2024363 $61.36 4.0$5,886 
Granted— — $— 
Exercised(19)44.61 769 
Forfeited— — 
Canceled— — 
Outstanding, March 31, 2024344 $62.27 3.8$10,419 
Exercisable, March 31, 2024344 $62.27 3.8$10,419 
Restricted Stock Units Award Activity
The following table summarizes restricted stock unit activity:
In thousands, except fair valueNumber of
Restricted Stock Units		Weighted
Average Grant
Date Fair Value		Aggregate
Intrinsic Value
Outstanding, January 1, 2023528 
Granted411 $55.59 
Released (1)
(202)$14,897 
Forfeited(12)
Outstanding, March 31, 2023725 
Outstanding, January 1, 2024751 $58.89 
Granted397 74.85 
Released (1)
(306)63.99 $22,962 
Forfeited(6)59.21 
Outstanding, March 31, 2024836 65.18 
Vested but not released, March 31, 202416 $1,496 

(1) Shares released is presented as gross shares and does not reflect shares withheld by us for employee payroll tax obligations.
Restricted Stock Units, Valuation Assumptions
The weighted average assumptions used to estimate the fair value of performance-based restricted stock units granted with a service and market condition and the resulting weighted average fair value are as follows:
Three Months Ended March 31,
20242023
Expected volatility45.7 %50.0 %
Risk-free interest rate4.4 %4.6 %
Expected term (years)2.92.2
Weighted average fair value$83.26 $59.22