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Segments, Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Dec. 31, 2017	Sep. 30, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Goodwill and other intangible assets	$ 451.0	$ 453.8
Total assets	1,764.1	1,823.6
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Tangible assets	1,246.1	1,232.1
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Tangible assets	67.0	137.7
Americas | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Tangible assets	510.0	533.9
EMEA | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Tangible assets	246.3	240.3
Asia Pacific | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Tangible assets	$ 489.8	$ 457.9

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- Definition

Tangible Assets

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

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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.

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No definition available.

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