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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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Summary of Significant Accounting Polices - New Accounting Pronouncements (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Oct. 01, 2019	Sep. 30, 2019
Recent Accounting Pronouncements
Operating lease right-of-use asset	$ 87,167
Lease liabilities	97,400
Retained earnings	$ 850,472		$ 862,948
ASU 2016-02
Recent Accounting Pronouncements
Operating lease right-of-use asset		$ 80,000
Lease liabilities		$ 88,000
ASU 2016-02 \| Cumulative effect of accounting standard adoption
Recent Accounting Pronouncements
Retained earnings			$ (800)