Quarterly Operating Results (Unaudited) - Summary of Quarterly Results of Operations Narrative (Detail) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Dec. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Condensed Financial Statements, Captions [Line Items] | ||||||
| Loss on contract recognized | $ 33.9 | $ 6.6 | $ 30.8 | |||
| Impairment charge of asset held for sale | $ 0.6 | $ 6.6 | $ 3.2 | |||
| Increase in allowance for doubtful accounts | $ 3.6 | |||||
| Large Deepwater Project | ||||||
| Condensed Financial Statements, Captions [Line Items] | ||||||
| Loss on contract recognized | $ 14.3 | |||||
| Large Deepwater Project, Recently Delivered | ||||||
| Condensed Financial Statements, Captions [Line Items] | ||||||
| Loss on contract recognized | 10.3 | $ 24.5 | ||||
| Fabrication Facilities | ||||||
| Condensed Financial Statements, Captions [Line Items] | ||||||
| Loss on contract recognized | $ 7.6 | |||||
| X | ||||||||||
- Definition Amount of increase (decrease) in the allowance for doubtful accounts. 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 The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|