Long-term Incentive Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Unit Award Repurchase Activity

Repurchases of AB Holding Units for the three and six months ended June 30, 2024 and 2023 consisted of the following:

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
	(in millions)
Total amount of AB Holding Units Purchased (1)	0.9		—		1.0		0.5
Total Cash Paid for AB Holding Units Purchased (1)	$	29.0	$	—	$	33.3	$	18.8
Open Market Purchases of AB Holding Units Purchased (1)	0.6		—		0.6		—
Total Cash Paid for Open Market Purchases of AB Holding Units (1)	$	21.5	$	—	$	21.5	$	—

(1) Purchased on a trade date basis. The difference between open-market purchases and units retained reflects the retention of AB Holding Units from employees to fulfill statutory tax withholding requirements at the time of delivery of long-term incentive compensation awards.