Long-term Incentive Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Unit Award Repurchase Activity

Repurchases of AB Holding Units for the three months ended March 31, 2021 and 2020 consisted of the following:

		Three Months Ended March 31,
		2021		2020
	(in millions)
Total amount of AB Holding Units Purchased (1)		1.0		0.9
Total Cash Paid for AB Holding Units Purchased(1)		$	37.4	$	19.8
Open Market Purchases of AB Holding Units Purchased (2)		0.6		0.8
Total Cash Paid for Open Market Purchases of AB Holding Units (2)		$	24.2	$	17.3

(1) Purchased on a trade date basis.

(2) The remainder related to purchases of AB Holding Units from employees to fulfill statutory tax withholding requirements at the time of delivery of long-term incentive compensation awards.