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Leases - Components of Operating and Finance Lease Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease costs	$ 37,637	$ 37,929
Variable and short-term lease costs	5,783	6,708
Interest expense on finance lease liabilities	547	576
Amortization expense of finance lease assets	2,705	2,130
Total lease costs	$ 46,672	$ 47,343

X

- Definition

Variable and short-term lease costs.

+ References

No definition available.

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X

- Definition

Amount of interest expense on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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-Publisher FASB
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- Definition

Amount of lease cost recognized by lessee for lease contract.

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No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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