Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenue By Source

In the following table, revenue is disaggregated by source (in millions):

	Three Months Ended March 31,
	2020		2019
Net operating fees	$	280.9	$	241.3
Incentive fees	16.8		12.2
Other	22.8		22.4
Net services revenue	$	320.5	$	275.9

Schedule of Assets and Liabilities

The following table provides information about receivables, contract assets, and contract liabilities from contracts with customers (in millions):

	March 31, 2020		December 31, 2019
Receivables (1)	$	93.9	$	83.1
Contract assets (2)	2.1		2.0
Contract liabilities (2)	26.0		25.3

(1) Receivables are included in accounts receivable, net. The balance includes accounts receivable, net - related party.

(2) Contract assets and contract liabilities are included in other current assets and customer liabilities, respectively. The contract liabilities balance contains related party amounts, including $3.9 million and $4.2 million of current customer liabilities and $19.3 million and $18.6 million of non-current customer liabilities for the three months ended March 31, 2020 and year ended December 31, 2019, respectively.

Significant changes in the contract assets and the contract liabilities balances are as follows (in millions):

	Three Months Ended March 31, 2020				Three Months Ended March 31, 2019
	Contract assets		Contract liabilities		Contract assets		Contract liabilities
Revenue recognized that was included in the contract liability balance at the beginning of the period	$	—	$	86.0	$	—	$	67.5
Increases due to cash received, excluding amounts recognized as revenue during the period	—		0.8		—		0.5

Schedule of Transaction Price Allocated to the Remaining Performance Obligation

The following table includes estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period (in millions). The estimated revenue does not include amounts of variable consideration that are constrained.

	Net operating fees		Incentive fees
2020	$	53.2	$	3.1
2021	21.8		—
2022	11.7		—
2023	8.2		—
2024	4.0		—
2025	4.0		—
Thereafter	0.5		—
Total	$	103.4	$	3.1