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Notes Payable, Long-Term Debt and Capital Lease Obligations (Debt Maturities) (Details 4)
$ in Thousands
Aug. 31, 2017
USD ($)
Notes Payable, Long-Term Debt and Capital Lease Obligations [Abstract]  
2018 $ 445,498
2019 51,538
2020 364,151
2021 398,877
2022 1,993
Thereafter 816,033
Total $ 2,078,090