RECEIVABLES

3 Months Ended

Mar. 31, 2012

Receivables [Abstract]

RECEIVABLES

3.       RECEIVABLES

Receivables include amounts billed to customers, claims, other receivables, and unbilled charges on long-term contracts consisting of amounts recognized as sales but not billed. Substantially all amounts of unbilled receivables are expected to be billed and collected within one year.

The composition of receivables is as follows:

			(In thousands)
		March 31,		December 31,
		2012		2011
Billed receivables:
Trade and other receivables		$	389,866	$	369,109
	Less: Allowance for doubtful accounts		(6,334)		(6,880)
Net billed receivables			383,532		362,229
Unbilled receivables:
Recoverable costs and estimated earnings not billed			232,272		227,957
	Less: Progress payments applied		(33,813)		(34,160)
Net unbilled receivables			198,459		193,797
Receivables, net		$	581,991	$	556,026