|
General - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 3 Months Ended | 11 Months Ended | ||||
|---|---|---|---|---|---|---|---|
|
Mar. 31, 2014
country
Rigs
|
Mar. 31, 2013
|
Dec. 31, 2013
country
|
Mar. 31, 2014
Exxon Neftegas Limited [Member]
|
Mar. 31, 2013
Exxon Neftegas Limited [Member]
|
Mar. 31, 2014
ITS [Member]
|
Mar. 31, 2014
ITS [Member]
|
|
| Revenue, Major Customer [Line Items] | |||||||
| Number of countries in which Entity has operated since inception | 50 | ||||||
| Number of countries in which entity operates | 24 | ||||||
| Number of countries with international rental tools operations | 10 | ||||||
| Barge drilling rigs | 13 | ||||||
| Land rings | 23 | ||||||
| Percentage accounted for under the equity method | 50.00% | ||||||
| Fair value adjustments for finite lived intangible assets | $ 8.5 | ||||||
| Weighted average useful life | 3 years | 3 years 4 months 24 days | |||||
| Reimbursement cost | 16.4 | 14.8 | |||||
| Deposits in domestic bank | 50.8 | 104.3 | |||||
| Deposits in foreign banks | $ 43.9 | $ 50.1 | |||||
| Percentage of revenue from major customer | 17.10% | 15.10% | |||||
| X | ||||||||||
|
- Definition
Business Acquisition, Fair Value Adjustments for Finite Lived Intangible Assets No definition available.
|
| X | ||||||||||
|
- Definition
Deposits in foreign banks uninsured. No definition available.
|
| X | ||||||||||
|
- Definition
Barge drilling rigs owned by company. No definition available.
|
| X | ||||||||||
|
- Definition
Land rigs owned by company. No definition available.
|
| X | ||||||||||
|
- Definition
Number Of Countries In Which Entity Has Operated Since Inception No definition available.
|
| X | ||||||||||
|
- Definition
Number of Countries with International Rental Tools Operations No definition available.
|
| X | ||||||||||
|
- Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
|
| X | ||||||||||
|
- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Cost associated with reimbursable income. This occurs when a services entity incurs expenses on behalf of the client and passes through the cost of reimbursable expenses to a client. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of countries in which the entity operates as of balance sheet date. No definition available.
|