Notes Payable, Net - Notes Payable, Net (Detail) - USD ($) $ in Millions	Nov. 30, 2023	Aug. 31, 2023
Debt Instrument [Line Items]
Other notes payable	$ 1.7	$ 1.8
Notes payable, gross	1,498.9	1,329.9
Debt discount and issuance costs	(19.5)	(18.2)
Notes payable, net	1,479.4	1,311.7
Leasing Nonrecourse Term Loans
Debt Instrument [Line Items]
Term loans	813.0	640.2
Senior Term Debt
Debt Instrument [Line Items]
Term loans	262.7	266.4
2.875% Convertible senior notes, due 2028
Debt Instrument [Line Items]
Convertible senior notes	373.8	373.8
2.875% Convertible senior notes, due 2024
Debt Instrument [Line Items]
Convertible senior notes	$ 47.7	$ 47.7

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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