Long-term Incentive Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Unit Award Repurchase Activity

Repurchases of AB Holding Units for the three months ended March 31, 2025 and 2024 consisted of the following:

		Three Months Ended March 31,
		2025		2024
	(in millions)
Total amount of AB Holding Units Purchased (1)		0.8		0.1
Total Cash Paid for AB Holding Units Purchased (1)		$	30.5	$	4.3
Open Market Purchases of AB Holding Units Purchased (1)		0.7		—
Total Cash Paid for Open Market Purchases of AB Holding Units (1)		$	26.1	$	—

(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.