The amount of increase (decrease) in depreciation during the period.

No definition available.

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property, plant, and equipment with a finite life expected to be recognized after the sixth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property, plant and equipment with a finite life expected to be recognized during the next three months.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property, plant, and equipment with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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+ References

No definition available.

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property, plant, and equipment with a finite life expected to be recognized during the sixth fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property, plant, and equipment with a finite life expected to be recognized during the third fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in depreciation expense due to the change in estimated useful life for property plant and equipment with a finite life expected to be recognized during the second fiscal year following the latest fiscal year.

+ References

No definition available.

+ Details

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

Loss recognized as a result of the initial and subsequent write-down of a long-lived asset's carrying amount to fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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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, PLANT AND EQUIPMENT - Depreciation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Property, Plant and Equipment
Depreciation	$ 141.7	$ 144.0	$ 281.7	$ 286.5
Abandonments	$ 4.4	$ 8.2	5.4	$ 15.5
Increase in depreciation expense in next three months			0.6
2020			(0.7)
2021			(0.7)
2022			(0.5)
2023			(0.2)
2024			(0.2)
Thereafter			(0.3)
Rigs components depreciation
Property, Plant and Equipment
Increase in depreciation			$ 3.6