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Fair Value Measurements (Fair Value Measurements on a Recurring Basis) (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Nov. 30, 2020	Aug. 31, 2020
Level 1 | Cash equivalents
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	$ 24,894	$ 33,869
Level 1 | Prepaid expenses and other current assets:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	17,220	16,556
Level 2 | Prepaid expenses and other current assets: | Designated as Hedging Instruments | Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	24,094	11,201
Level 2 | Prepaid expenses and other current assets: | Not Designated as Hedging Instruments | Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	104,364	58,893
Level 2 | Accrued expenses: | Designated as Hedging Instruments | Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liability	722	1,522
Level 2 | Accrued expenses: | Not Designated as Hedging Instruments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Extended interest rate swap not designated as a hedging instrument	25,259	26,492
Level 2 | Accrued expenses: | Not Designated as Hedging Instruments | Foreign exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liability	6,540	9,100
Level 2 | Accrued expenses: | Not Designated as Hedging Instruments | Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liability	1,663	540
Level 2 | Other liabilities: | Designated as Hedging Instruments | Interest rate swaps | Forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liability	1,241	0
Level 2 | Other liabilities: | Not Designated as Hedging Instruments
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Extended interest rate swap not designated as a hedging instrument	12,425	13,111
Level 2 | Other liabilities: | Not Designated as Hedging Instruments | Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liability	$ 947	$ 329

X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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Fair value as of the balance sheet date of hybrid instruments.

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-Topic 815
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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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