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Summary of Significant Accounting Policies (Schedule of Product Warranty Liability) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of year	$ 2.6	$ 2.8	$ 1.6
Warranty expense	5.2	4.1	4.2
Warranty payments	(4.9)	(4.3)	(3.0)
Balance at end of year	$ 2.9	$ 2.6	$ 2.8

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 460



-SubTopic 10



-Section 50



-Paragraph 8



-Subparagraph ((c)(5))



-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249



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 210.9-03.15(5))



-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 460



-SubTopic 10



-Section 50



-Paragraph 8



-Subparagraph ((c)(2))



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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 460



-SubTopic 10



-Section 50



-Paragraph 8



-Subparagraph ((c)(3))



-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249

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