XML 121 R106.htm IDEA: XBRL DOCUMENT v3.8.0.1
Aggregate Minimum Future Amounts Payable Under Non-Cancelable Operating Leases (Detail) - Domestic railcar repair facilities, office space and certain manufacturing and office equipment
$ in Thousands
Aug. 31, 2017
USD ($)
Operating Leased Assets [Line Items]  
2018 $ 5,006
2019 3,585
2020 3,304
2021 2,217
2022 705
Thereafter 341
Operating Leases, Future Minimum Payments Due, Total $ 15,158