Other Income (Expense) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Components of other income (expense)
Interest income	$ 12.7	$ 10.7	$ 9.5
Royalty income	2.9	2.9	2.5
Legacy product liability and environmental charges	(12.7)	(19.8)	(14.6)
Other	3.4	0.7	12.3
Other income (expense)	$ 6.3	$ (5.5)	9.7
Gain from favorable resolutions of certain intellectual property and commercial legal matters			$ 8.0

Legacy product liability and environmental charges.

No definition available.

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- Definition

The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). Such amounts include: (a) Net (loss) gain on dispositions of securities and property, (b) interest income, (c) royalty income, (d) environmental charges, (e) gains or losses on deferred compensation plans, and (f) miscellaneous other income and expense items.

+ References

No definition available.

+ Details

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- Definition

Other income expense.

+ References

No definition available.

+ Details

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- Definition

The net amount of other income and expense, which does not qualify for separate disclosure in the footnotes to the financial statements.

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No definition available.

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ 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 210.5-03.7(b))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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- Definition

Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources.

+ 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 210.5-03.7)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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