Stock Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Compensation Expense and Related Net Tax Benefit

The following table presents a summary of the total share-based compensation expense and the related net tax benefits (expenses) associated with the Company’s various employee share-based compensation plans for the three and nine months ended September 30, 2024 and 2023:

	Three Months Ended September 30,				Nine Months Ended September 30,
($ in thousands)	2024		2023		2024		2023
Stock compensation costs	$	10,717	$	9,495	$	34,371	$	29,934
Related net tax benefits (expenses) for stock compensation plans	$	20	$	(18)	$	812	$	8,797

Schedule of Activity for Time-Based and Performance-Based Restricted Stock Units

The following table presents a summary of the activities for the Company’s time- and performance-based RSUs that were settled in shares for the nine months ended September 30, 2024. The number of performance-based RSUs stated below reflects the number of awards granted on the grant date.

	Time-Based RSUs			Performance-Based RSUs
	Shares	Weighted-Average Grant Date Fair Value		Shares	Weighted-Average Grant Date Fair Value
Outstanding, January 1, 2024	1,206,518	$	74.29	276,223	$	78.59
Granted	523,897	75.78		97,798	80.28
Vested	(311,902)	71.76		(91,960)	77.67
Forfeited	(65,447)	74.37		—	—
Outstanding, September 30, 2024	1,353,066	$	75.45	282,061	$	79.48