Stock Compensation Plans (Tables)

6 Months Ended

Jun. 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 associated with the Company’s various employee share-based compensation plans for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in thousands)	2024		2023		2024		2023
Stock compensation costs	$	10,666	$	9,364	$	23,654	$	20,439
Related net tax benefits for stock compensation plans	$	9	$	525	$	792	$	8,815

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 six months ended June 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	522,454	75.77		97,798	80.28
Vested	(305,954)	71.68		(91,960)	77.67
Forfeited	(36,948)	74.89		—	—
Outstanding, June 30, 2024	1,386,070	$	75.41	282,061	$	79.48