Accounting Changes and Recent Accounting Pronouncements - Schedule of Effect of ASU No. 2014-09 Adoption on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Recent Accounting Pronouncements
Accounts receivable, other	$ 61,403	$ 42,073
Accrued liabilities	169,054	$ 180,287
ASU 2014-09 \| Excluding ASU No. 2014-09 Effect
Recent Accounting Pronouncements
Accounts receivable, other	58,968
Accrued liabilities	166,619
ASU 2014-09 \| ASU No. 2014-09 Effect
Recent Accounting Pronouncements
Accounts receivable, other	2,435
Accrued liabilities	$ 2,435

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Carrying amounts due as of the balance sheet date of the sum of amounts receivable other than from customers.

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