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Notes Payable, Net - Notes Payable, Net (Detail) - USD ($) $ in Thousands	May 31, 2021	Apr. 30, 2021	Aug. 31, 2020
Debt Instrument [Line Items]
Term loans	$ 481,396		$ 498,858
Other notes payable	1,936		10,135
Notes payable, gross	924,958		833,993
Debt discount and issuance costs	(89,931)		(29,905)
Notes payable, net	835,027		804,088
2.875% Convertible senior notes, due 2028
Debt Instrument [Line Items]
Convertible senior notes	373,750
Notes payable, gross	373,750
2.875% Convertible senior notes, due 2024
Debt Instrument [Line Items]
Convertible senior notes	$ 67,876	$ 67,900	275,000
2.25% Convertible senior notes, due 2024
Debt Instrument [Line Items]
Convertible senior notes			$ 50,000

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- Definition

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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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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