RECEIVABLES

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

RECEIVABLES

4.           RECEIVABLES

Receivables primarily include amounts billed to customers, unbilled charges on long-term contracts consisting of amounts recognized as sales but not billed, and other receivables. Substantially all amounts of unbilled receivables are expected to be billed and collected within one year. An immaterial amount of unbilled receivables are subject to retainage provisions. The amount of claims and unapproved change orders within our receivables balances are immaterial.

The composition of receivables is as follows:

(In thousands)	March 31, 2019			December 31, 2018
Billed receivables:
Trade and other receivables	$	378,350		$	390,306
Less: Allowance for doubtful accounts	(8,395		)	(7,436		)
Net billed receivables	369,955			382,870
Unbilled receivables (Contract Assets):
Recoverable costs and estimated earnings not billed	234,286			225,810
Less: Progress payments applied	(12,679		)	(14,925		)
Net unbilled receivables	221,607			210,885
Receivables, net	$	591,562		$	593,755