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Leases - Additional Lease Costs (Details) $ in Thousands	3 Months Ended
	Nov. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 554
Operating cash flows from finance leases	31
Financing cash flows from finance leases	46
Leased assets obtained in exchange for lease liabilities:
Leased assets obtained in exchange for lease liabilities:	2,317
Finance leases	$ 5,664
Weighted average remaining lease term (in years):
Weighted average remaining lease term (in years):	9 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	8 years 7 months 6 days
Weighted average discount rate:
Weighted average discount rate:	6.20%
Finance leases	6.20%
Unfavorable lease liability	$ 1,000

X

- Definition

Amount of interest paid on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

This element represents a liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Cash Flow, Lessee [Abstract]

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