RECEIVABLES

6 Months Ended

Jun. 30, 2017

Receivables [Abstract]

RECEIVABLES

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)	June 30, 2017			December 31, 2016
Billed receivables:
Trade and other receivables	$	374,691		$	340,091
Less: Allowance for doubtful accounts	(7,219		)	(4,832		)
Net billed receivables	367,472			335,259
Unbilled receivables:
Recoverable costs and estimated earnings not billed	158,006			149,847
Less: Progress payments applied	(23,262		)	(22,044		)
Net unbilled receivables	134,744			127,803
Receivables, net	$	502,216		$	463,062