RECEIVABLES (Table)

12 Months Ended

Dec. 31, 2017

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Schedule Of Accounts Notes Loans And Financing Receivable [Text Block]

(In thousands)	2017			2016
Billed receivables:
Trade and other receivables	$	363,234		$	340,091
Less: Allowance for doubtful accounts	(7,486		)	(4,832		)
Net billed receivables	355,748			335,259
Unbilled receivables:
Recoverable costs and estimated earnings not billed	160,727			149,847
Less: Progress payments applied	(21,552		)	(22,044		)
Net unbilled receivables	139,175			127,803
Receivables, net	$	494,923		$	463,062