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Product Warranties - Narratives (Details) - USD ($) $ in Millions	Sep. 30, 2018	Jun. 30, 2018	Apr. 23, 2018
Product warranties
Guarantor Obligations
Warranty accrual	$ 0.6	$ 3.8	$ 3.8

X

- 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.

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X

- Definition

Amount of loss contingency liability.

+ 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=82911808&loc=d3e14326-108349

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