Contracts in Process (Tables)

6 Months Ended

Jun. 30, 2018

Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block]

The net asset position for contracts in process consisted of the following:

	June 30,		December 31,
(In thousands)	2018		2017
Costs and estimated earnings on uncompleted contracts	$	2,105,022	$	1,978,981
Less: Billings to date		2,066,073		1,929,640
	$	38,949	$	49,341

Consolidated Balance Sheet [Member]

Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block]

The net asset position for contracts in process included in the accompanying consolidated balance sheets was as follows:

	June 30,			December 31,
(In thousands)	2018			2017
Costs and estimated earnings in excess of billings on uncompleted contracts	$	87,356		$	78,260
Billings in excess of costs and estimated earnings on uncompleted contracts		(48,407	)		(28,919	)
	$	38,949		$	49,341