Accelerated Delivery Notice Period

No definition available.

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- Definition

Impairment of Long-Lived Assets to be Disposed of, Net of Tax

+ References

No definition available.

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- Definition

Insurance Recoveries Effect on Earnings Per Share Diluted, after Tax

+ References

No definition available.

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- Definition

Insurance Recoveries, Net of Tax

+ References

No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

After tax earnings per share or per unit impact arising from asset impairment.

+ References

No definition available.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2611-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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- Definition

The cash outflow from construction costs to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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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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Property and Equipment - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
	Dec. 31, 2015	Dec. 17, 2015	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment
Asset impairment			$ 64,724	$ 60,777
(Gain) loss on sale of equipment			(77)	(9,806)
Atwood Falcon
Property, Plant and Equipment
Asset impairment			64,700
Impairment, net of tax			$ 64,700
Impairment effect on earnings per share, after tax (in dollars per share)			$ 1.00
Atwood Falcon \| Equipment
Property, Plant and Equipment
Asset impairment			$ 53,000
Atwood Falcon \| Inventory
Property, Plant and Equipment
Asset impairment			11,700
Atwood Hunter
Property, Plant and Equipment
Asset impairment				60,800
Impairment, net of tax				$ 56,100
Impairment effect on earnings per share, after tax (in dollars per share)				$ 0.86
Atwood Hunter \| Equipment
Property, Plant and Equipment
Asset impairment				$ 48,000
Atwood Hunter \| Inventory
Property, Plant and Equipment
Asset impairment				8,400
Atwood Osprey
Property, Plant and Equipment
Insurance recoveries			18,000
Insurance recoveries, net of tax			$ 18,000
Insurance recoveries effect on earnings per share, after tax (in dollars per share)			$ 0.28
Atwood Southern Cross
Property, Plant and Equipment
Impairment, net of tax				$ 7,100
Impairment effect on earnings per share, after tax (in dollars per share)				$ 0.11
(Gain) loss on sale of equipment				$ (8,000)
Atwood Admiral
Property, Plant and Equipment
Accelerated delivery notice period			45 days
Atwood Admiral \| Capital Addition Purchase Commitments
Property, Plant and Equipment
Payments for construction projects	$ 50,000
Atwood Admiral \| Final Payment \| Capital Addition Purchase Commitments
Property, Plant and Equipment
Commitments on drilling units under construction		$ 93,900
Atwood Archer
Property, Plant and Equipment
Accelerated delivery notice period			45 days
Atwood Archer \| Capital Addition Purchase Commitments
Property, Plant and Equipment
Payments for construction projects	$ 50,000
Atwood Archer \| Final Payment \| Capital Addition Purchase Commitments
Property, Plant and Equipment
Commitments on drilling units under construction		$ 306,100