Notes Payable, Net - Summary of Net Carrying Amount of Debt And Related Assets (Detail) - USD ($) $ in Millions	Feb. 29, 2024	Aug. 31, 2023	Feb. 28, 2023
Assets
Restricted cash	$ 20.0	$ 21.0	$ 19.7
Equipment on operating leases, net	1,160.5	1,000.0
Liabilities
Notes payable, net	1,421.8	1,311.7
Asset-Backed Term Notes
Assets
Restricted cash	7.4	6.7
Equipment on operating leases, net	645.2	388.9
Liabilities
Notes payable, net	$ 472.0	$ 302.1

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.7-03(a)(2))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
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-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
-Topic 230
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-Section 45
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-Publisher FASB
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant