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COMMITMENTS AND CONTINGENCIES Schedule of Future Purchase Commitments (Tables)
6 Months Ended
Feb. 28, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Purchase Commitments
Twelve Months Ending February 28,
 
(in thousands)
2018
 
$
749,005

2019
 
105,952

2020
 
55,720

2021
 
39,586

2022
 
3,935

Thereafter
 
6,989

Total
 
$
961,187