RECEIVABLES, CONTRACT ASSETS, AND DEFERRED REVENUE (Tables)

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Summary of Receivable

Receivables

(in thousands)	March 31, 2020		December 31, 2019
Accounts receivable	$	191,533	$	199,720
Unbilled receivables	182,399		180,219
Long-term unbilled receivables	110,393		121,736
	$	484,325	$	501,675

Summary of Unbilled Receivables

Unbilled receivables are client committed amounts for which revenue recognition precedes billing, and billing is solely subject to the passage of time. They are expected to be billed in the future as follows:

(Dollars in thousands)	March 31, 2020
1 year or less	$	182,399	62	%
1-2 years	88,928		31	%
2-5 years	21,465		7	%
	$	292,792	100	%

Summary of Unbilled Receivables Based Upon Contract Effective Date

Unbilled receivables based upon contract effective date:

(Dollars in thousands)	March 31, 2020
2020	$	40,533	14	%
2019	102,154		35	%
2018	55,484		19	%
2017	44,691		15	%
2016 and prior	49,930		17	%
	$	292,792	100	%

Summary of Contract Assets and Deferred Revenue

Contract assets and deferred revenue

(in thousands)	March 31, 2020		December 31, 2019
Contract assets (1)	$	6,195	$	5,558
Long-term contract assets (2)	5,664		5,420
	$	11,859	$	10,978
Deferred revenue	$	197,018	$	190,080
Long-term deferred revenue (3)	5,630		5,407
	$	202,648	$	195,487

⁽¹⁾ Included in other current assets. ⁽²⁾ Included in other long-term assets. ⁽³⁾ Included in other long-term liabilities.