Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Per Share

No definition available.

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- Definition

Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share

+ References

No definition available.

+ Details

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- Definition

Business Combination, Intangible Liability, Due to Unfavorable Drilling Contracts

+ References

No definition available.

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- Definition

Number Of Contract Drilling Rig

+ References

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- 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.

+ References

No definition available.

+ Details

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

+ References

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

+ Details

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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- Details

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Acquisition Of Atwood Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	9 Months Ended	12 Months Ended
	Oct. 06, 2017	Oct. 05, 2017	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2018	May 26, 2017
Business Acquisition [Line Items]
Shares Issued, Price Per Share									$ 9.25
Bargain purchase gain				$ 142.0	$ 1.8		$ 140.2	$ 0.0
Merger related costs			$ 11.5
Number of contract drilling rigs					56
Intangible liabilities					$ 60.0
Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Common stock, value (in usd per share)		$ 9.33
Cash settlement for business acquisitions		$ 11.1
Consideration transferred	$ 770.7	781.8		781.8
Cash and cash equivalents	445.4			445.4		$ 445.4
Payments to extinguish acquiree liabilities		$ 1,300.0
Bargain purchase gain	140.2					1.8
Merger related costs							19.4
Number of contract drilling rigs					4
Property and equipment	1,762.0			$ 1,771.2		$ 1,771.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	2.5
Intangible assets acquired	$ 30.1
Asset amortization					$ 11.4		$ 16.1
Intangible assets, net			$ 2.6		$ 2.6
Atwood Oceanics, Inc. \| Class A Ordinary Shares, U.S. [Member]
Business Acquisition [Line Items]
Entity shares issued per acquiree share		1.60
Shares Issued, Price Per Share		$ 5.83
Number of ordinary shares		132,200,000
Share Price										$ 6.70
Construction in Progress [Member]
Business Acquisition [Line Items]
Number of contract drilling rigs					3
Construction in Progress [Member] \| Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Number of contract drilling rigs					2
Moored Semisubmersible Rigs [Member]
Business Acquisition [Line Items]
Number of contract drilling rigs					3
Moored Semisubmersible Rigs [Member] \| Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Number of contract drilling rigs					2
Jackup Rigs [Member]
Business Acquisition [Line Items]
Number of contract drilling rigs					35
Jackup Rigs [Member] \| Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Number of contract drilling rigs					5
Minimum [Member] \| Drilling rigs and equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life					4 years
Minimum [Member] \| Drilling rigs and equipment [Member] \| Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	30 years				16 years
Maximum [Member] \| Drilling rigs and equipment [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life					35 years
Maximum [Member] \| Drilling rigs and equipment [Member] \| Atwood Oceanics, Inc.
Business Acquisition [Line Items]
Property, Plant and Equipment, Useful Life	35 years				35 years