Notes Payable, Net - Notes Payable, Net (Detail) - USD ($) $ in Millions	Feb. 28, 2025	Aug. 31, 2024
Debt Instrument [Line Items]
Other notes payable	$ 3.4	$ 3.3
Notes payable, gross	1,399.8	1,420.9
Debt discount and issuance costs	(14.9)	(16.7)
Notes payable, net	1,384.9	1,404.2
Leasing Nonrecourse Term Loans
Debt Instrument [Line Items]
Term loans	778.1	792.1
Senior Term Debt
Debt Instrument [Line Items]
Term loans	244.5	251.7
2.875% Convertible senior notes, due 2028
Debt Instrument [Line Items]
Convertible senior notes	$ 373.8	$ 373.8

Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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