Contract Revenue and Percentage-of-Completion Method - Narrative (Details) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
claim
Project
|
|
| Revenue from External Customer [Line Items] | ||||
| Loss on contracts | $ 1.8 | $ 33.9 | $ 6.6 | |
| Loss on contracts, number of tank barge projects | Project | 2 | |||
| Percentage of revenue related to fabricated structures for delivery outside U.S | 14.00% | 6.00% | 10.00% | |
| Pass-through costs as a percentage of revenue | 36.50% | 44.40% | 48.20% | |
| Number of settled asserted liquidated damages claims | claim | 1 | |||
| Asserted liquidated damages claims settled | $ 0.3 | |||
| Large Deepwater Project, Recently Delivered | ||||
| Revenue from External Customer [Line Items] | ||||
| Loss on contracts | $ 10.3 | $ 24.5 | ||
| Fabrication Facilities | ||||
| Revenue from External Customer [Line Items] | ||||
| Loss on contracts | $ 7.6 | |||
| Loss on contract due to labor rate changes | $ 9.4 | |||
| X | ||||||||||
- Definition Entity Wide Disclosure On Geographic Areas Percent Of Revenue From External Customers Attributed To Foreign Countries No definition available.
|
| X | ||||||||||
- Definition Loss on Contract, Labor Rate Changes No definition available.
|
| X | ||||||||||
- Definition Loss on Contracts, Number of Projects No definition available.
|
| X | ||||||||||
- Definition Pass through costs as percent of revenue No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Number of claims settled. No definition available.
|
| X | ||||||||||
- Definition Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|