Debt (Narrative) (Details) $ in Millions	9 Months Ended
	May 31, 2022 USD ($) agreement
Debt Instrument [Line Items]
Number of agreements | agreement	2
Other Unsecured Debt [Member]
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 125.0
Note Agreement and the Credit Agreement [Member]
Debt Instrument [Line Items]
Consolidated leverage ratio	3.5
Consolidated interest coverage ratio	3
Credit Agreement - Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 150.0
Maturity date	Sep. 30, 2025	[1]
Europe, The Middle East, Africa And India Subsidiary [Member] | Credit Agreement - Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 100.0

[1] The Company has the ability to refinance any draw under the line of credit with successive short-term borrowings through the maturity date. Outstanding draws for which management has the ability and intent to refinance with successive short-term borrowings for a period of at least twelve months are classified as long-term. As of May 31, 2022, $42.6 million on this facility is classified as long-term and is denominated in Euros and Pound Sterling, whereas $15.6 million is classified as short-term and is denominated in U.S. Dollar. Euro and Pound Sterling denominated draws will fluctuate in U.S. Dollars from period to period due to changes in foreign currency exchange rates.