RECEIVABLES

6 Months Ended

Jun. 30, 2011

Receivables [Abstract]

RECEIVABLES

3.       RECEIVABLES

Receivables at June 30, 2011 and December 31, 2010 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)
		June 30,		December 31,
		2011		2010
Billed receivables:
Trade and other receivables		$	311,139	$	282,483
	Less: Allowance for doubtful accounts		(5,058)		(3,972)
Net billed receivables			306,081		278,511
Unbilled receivables:
Recoverable costs and estimated earnings not billed			222,455		210,766
	Less: Progress payments applied		(26,668)		(27,645)
Net unbilled receivables			195,787		183,121
Receivables, net		$	501,868	$	461,632