Selected Income Statement Information (Tables)

12 Months Ended

Dec. 31, 2018

Selected Income Statement Information [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

The following table presents Revenue disaggregated by business segment, geographical region, and timing of transfer of goods or services.

			Year Ended December 31,
(in thousands)			2018		2017		2016
Business Segment:
	Energy Services and Products
		Remotely Operated Vehicles	$	394,801	$	393,655	$	522,121
		Subsea Products	515,000		625,513		692,030
		Subsea Projects	329,163		291,993		472,979
		Asset Integrity	253,886		236,778		275,397
	Total Energy Services and Products		1,492,850		1,547,939		1,962,527
	Advanced Technologies		416,632		373,568		309,076
		Total	$	1,909,482	$	1,921,507	$	2,271,603

The following schedule shows our revenue, costs and gross margins by services and products:

	Year Ended December 31,
(in thousands)	2018			2017			2016
Revenue:
Services	$	1,245,927		$	1,181,229		$	1,509,786
Products	663,555			740,278			761,817
Total revenue	1,909,482			1,921,507			2,271,603
Cost of Services and Products:
Services	1,135,084			1,040,817			1,330,218
Products	578,212			625,843			615,438
Unallocated expenses	66,960			60,237			46,720
Total cost of services and products	1,780,256			1,726,897			1,992,376
Gross margin:
Services	110,843			140,412			179,568
Products	85,343			114,435			146,379
Unallocated expenses	(66,960		)	(60,237		)	(46,720		)
Total gross margin	$	129,226		$	194,610		$	279,227