Commitments and Contingencies Commitments and Contingencies - Additional Information (Detail) (Details) $ in Millions	6 Months Ended
Feb. 17, 2019 USD ($)
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party	$ 5

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.

No definition available.

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