Equity Changes in Accumulated Other Comprehensive Loss, Net of Tax - Tax Rate (Details)	12 Months Ended
Sep. 30, 2017
Tax rate on Components of AOCI, excluding Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax Rate on AOCI Balances	37.00%
Tax Rate on Components of AOCI, Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Tax Rate on AOCI Balances	22.00%

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.

No definition available.

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