Revenue Recognition - Additional Information (Detail)	3 Months Ended								12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) Project		Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenues	$ 667,418,000	$ 805,857,000	$ 1,046,537,000	$ 550,463,000	$ 806,400,000	$ 414,595,000	$ 476,083,000	$ 603,811,000	$ 3,070,275,000	[1]	$ 2,300,889,000	[1]	$ 2,658,932,000	[1]
Cost of operations									2,691,284,000		2,113,013,000		2,801,426,000
Backlog Related to Active Projects [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Loss on contracts									75,000,000
Mexico [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenues									247,859,000		130,642,000		117,813,000
Brazil [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenues									$ 183,656,000		290,561,000		176,475,000
Charter contract term									5 years
AEA [Member] | Active Projects [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Number of projects accounted under deferred profit recognition policy | Project									2
AEA [Member] | Mexico [Member] | Backlog [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Project completion year									2016
AEA [Member] | Brazil [Member] | Backlog Associated with Charter of Agile [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Project completion year									2017
Unconsolidated joint ventures [Member] | MEA [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenues									$ 0		0		0
Cost of operations									0		0		$ 0
Claims Revenue [Member] | MEA [Member]
Revenue Recognition Multiple Deliverable Arrangements [Line Items]
Revenues									10,000,000		7,000,000
Cost of operations									$ 10,000,000		$ 7,000,000

[1] Intercompany transactions were not significant during 2015, 2014 and 2013.