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Aggregate Minimum Future Amounts Receivable Under All Non-Cancelable Operating Leases and Subleases (Detail)
$ in Thousands
Aug. 31, 2017
USD ($)
Future Minimum Payments Receivable [Line Items]  
Year ending August 31, 2018 $ 29,168
2019 22,762
2020 16,159
2021 8,232
2022 5,377
Thereafter 5,487
Operating Leases, Future Minimum Payments Receivable, Total $ 87,185