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Contingent Liabilities and Commitments - Repurchase Commitments Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |
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Feb. 29, 2020 | Aug. 31, 2019
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Repurchase agreement term | 24 months |
Accrued loss on repurchases | $ 1.3 | $ 0.9
Obligation to Repurchase from Dealers |  |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |  |
Contingent liability on repurchase agreements | $ 1,400.0 | $ 874.9

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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