Long-term Incentive Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Unit Award Repurchase Activity

Repurchases and retention of AB Holding Units for the three and nine months ended September 30, 2023 and 2022 consisted of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)
Total amount of AB Holding Units Purchased/Retained (1)	1.8		—		2.3		2.6
Total Cash Paid for AB Holding Units Purchased/Retained (1)	$	56.9	$	1.0	$	75.7	$	107.7
Open Market Purchases of AB Holding Units Purchased (1)	1.8		—		1.8		2.3
Total Cash Paid for Open Market Purchases of AB Holding Units (1)	$	56.9	$	—	$	56.9	$	92.7

(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.