RECEIVABLES, CONTRACT ASSETS, AND DEFERRED REVENUE (Tables)

9 Months Ended

Sep. 30, 2019

Receivables [Abstract]

Summary of Receivable

Receivables

(in thousands)	September 30, 2019		December 31, 2018
Accounts receivable	$	123,268	$	180,872
Unbilled receivables	172,090		172,656
Long-term unbilled receivables	123,962		151,237
	$	419,320	$	504,765

Summary of Unbilled Receivables

Unbilled receivables are expected to be billed in the future as follows:

(Dollars in thousands)	September 30, 2019
1 year or less	$	172,090	59	%
1-2 years	84,045		28	%
2-5 years	39,917		13	%
	$	296,052	100	%

Summary of Contract Assets and Deferred Revenue

Contract assets and deferred revenue

(in thousands)	September 30, 2019		December 31, 2018
Contract assets (1)	$	5,046	$	3,711
Long-term contract assets (2)	2,381		2,543
	$	7,427	$	6,254

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

(in thousands)	September 30, 2019		December 31, 2018
Deferred revenue	$	159,849	$	185,145
Long-term deferred revenue (1)	4,029		5,344
	$	163,878	$	190,489

⁽¹⁾ Included in other long-term liabilities.