Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The carrying amount of goodwill by reporting segment was as follows:

(In millions)	Subsea			Onshore/Offshore			Surface Technologies		Total
December 31, 2014	$	3,232.0		$	882.2		$	—	$	4,114.2
Additions due to business combinations	41.9			—			—		41.9
Impairment	—			—			—		—
Translation	(296.5		)	(73.1		)	—		(369.6		)
December 31, 2015	2,977.4			809.1			—		3,786.5
Additions due to business combinations	—			—			—		—
Impairment	—			—			—		—
Translation	(46.3		)	(21.9		)	—		(68.2		)
December 31, 2016	2,931.1			787.2			—		3,718.3
Additions due to business combinations	2,532.6			1,635.5			997.8		5,165.9
Impairment	—			—			—		—
Translation	6.7			38.9			—		45.6
December 31, 2017	$	5,470.4		$	2,461.6		$	997.8	$	8,929.8

Schedule of finite-lived intangible assets

Intangible assets—The components of intangible assets were as follows:

	December 31,
	2017				2016
(In millions)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Acquired technology	$	240.0	$	25.0	$	—	$	—
Backlog	175.0		118.0		—		—
Customer relationships	285.0		29.0		—		—
Licenses, patents and trademarks	810.1		157.7		167.3		120.9
Software	237.9		145.5		154.7		107.4
Other	72.7		11.7		97.6		17.6
Total intangible assets	$	1,820.7	$	486.9	$	419.6	$	245.9