Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Aug. 31, 2019	Aug. 31, 2018
Debt Instrument [Line Items]
Capital lease obligations due through July 2029	$ 7,774	$ 6,787
Other debt obligations	487	589
Total debt	105,096	107,376
Less current maturities	(1,321)	(1,139)
Long-term debt, net of current maturities	103,775	106,237
Line of Credit \| Secured Revolving Credit Facility \| Bank of America NA And Other Lenders
Debt Instrument [Line Items]
Bank revolving credit facilities, interest primarily at LIBOR plus a spread	$ 96,835	$ 100,000

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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