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v3.19.2

Commitments and Contingencies (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Sep. 30, 2018
Schedule of Equity Method Investments [Line Items] |  |
Purchase obligation | $ 4.9 | $ 7.3
Minimum |  |
Schedule of Equity Method Investments [Line Items] |  |
Severance payment term | 12 months |
Maximum |  |
Schedule of Equity Method Investments [Line Items] |  |
Severance payment term | 36 months |

X
- Definition Employment Contract, Severance Payment Term + References No definition available. + Details
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X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |