Net gain (loss) resulting from an exchange of equity affiliate investments.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Net gain (loss), after tax, resulting from an exchange of equity affiliate investments.

+ References

No definition available.

+ Details

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- Definition

Number of distinct businesses after separation

+ References

No definition available.

+ Details

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- 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

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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

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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-Publisher FASB
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-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

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- Definition

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

+ References

+ Details

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- Definition

Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

+ References

No definition available.

+ Details

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- Definition

In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)(2)
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Publisher FASB
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-Subparagraph (SX 210.5-03(b)(7)(c))
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-Publisher FASB
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-Paragraph 2
-Subparagraph (SX 210.5-03(b)(9)(a))
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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- Definition

Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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- Details

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- Details

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Acquisitions (Narrative) (Details) $ in Millions		3 Months Ended		6 Months Ended
Acquisitions (Narrative) (Details) $ in Millions	Feb. 23, 2021 USD ($) business_entity	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2020
Business Acquisition [Line Items]
Proceeds from sale of assets and investments				$ 14.8	$ 68.0
Gain on exchange with joint venture partner		$ 36.8	$ 0.0	36.8	$ 0.0
Gain on exchange with joint venture partner, after tax		$ 27.3		27.3
Recognized goodwill in business combination				$ 14.5
TIG - Portion of Business Acquired
Business Acquisition [Line Items]
Ownership interest subsequent to acquisition date (percent)	100.00%
Proceeds from sale of assets and investments	$ 10.8
Gain from revaluation of previously held equity interest to acquisition date fair value	12.7
Acquisition date fair value of previously held equity interest	15.4
Recognized goodwill in business combination	14.5
Recognized plant and equipment in business combination	10.3
TIG - Portion of Business Acquired \| Customer relationships
Business Acquisition [Line Items]
Recognized intangible assets in business combination	$ 16.7
Weighted-average useful life of acquired intangible assets (in years)	15 years
Tyczka Industrie-Gases Gmbh
Business Acquisition [Line Items]
Ownership interest (percent) in former equity method investment						50.00%
Number of businesses after separation \| business_entity	2
Gain from disposition of interest in equity method investment	$ 24.1