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v3.19.2

Restatement of Previously Issued Financial Information - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | May 31, 2018 | Feb. 28, 2018 | Nov. 30, 2017 | May 31, 2019 | May 31, 2018 | Aug. 31, 2017 | Aug. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to income before income taxes | $ 61,579 |  |  | $ 236,839 |  |  | $ 690,666 | $ 422,898 |  |
Increase (decrease) to net income | (54,713) | $ (248,304) | $ (347,115) | (181,620) | $ (165,959) | $ (187,182) | (650,132) | (534,761) |  |
Decrease in cash | (155,252) |  |  | (533,887) |  |  | (155,252) | (533,887) | $ (181,379) | $ (450,617)
Increase (decrease) to cost of goods sold | 8,274,170 |  |  | 8,841,696 |  |  | 22,343,944 | 23,398,272 |  |
Increase (decrease) to income tax expense | 6,866 |  |  | 55,219 |  |  | 40,534 | (111,863) |  |
Increase (decrease) to revenues | 8,497,941 |  |  | 9,087,328 |  |  | 23,465,769 | 24,099,365 |  |
Decrease of inventory | $ (3,338,321) |  |  |  |  |  | $ (3,338,321) |  |  | $ (2,768,649)
Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to income before income taxes |  |  |  | (52,645) |  |  |  | (51,592) |  |
Increase (decrease) to net income |  |  |  | 47,526 |  |  |  | 40,630 |  |
Increase (decrease) to cost of goods sold |  |  |  | 112,447 |  |  |  | 224,116 |  |
Increase (decrease) to income tax expense |  |  |  | (5,119) |  |  |  | (10,962) |  |
Increase (decrease) to revenues |  |  |  | 59,803 |  |  |  | 171,857 |  |
Freight Derivatives And Related Misstatements [Member] |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Misstatement between line items in the Consolidated Statements of Cash Flows |  |  |  |  |  |  |  | 3,000 |  |
Freight Derivatives And Related Misstatements [Member] | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to income before income taxes |  |  |  | (29,800) |  |  |  | (52,900) |  |
Increase (decrease) to net income |  |  |  | 24,700 |  |  |  | 48,500 |  |
Increase (decrease) to cost of goods sold |  |  |  | 29,800 |  |  |  | 52,900 |  |
Increase (decrease) to income tax expense |  |  |  | (5,100) |  |  |  | (4,400) |  |
Intercompany Misstatements |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Misstatement between line items in the Consolidated Statements of Cash Flows |  |  |  |  |  |  |  | 3,000 |  |
Intercompany Misstatements | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Misstatement between line items in the Consolidated Statements of Cash Flows |  |  |  |  |  |  |  |  | 5,000 |
Other Misstatements | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to income before income taxes |  |  |  | (22,800) |  |  |  | 1,300 |  |
Increase (decrease) to net income |  |  |  | 22,800 |  |  |  | (7,900) |  |
Increase (decrease) to cost of goods sold |  |  |  | 18,800 |  |  |  |  |  |
Increase (decrease) to income tax expense |  |  |  |  |  |  |  | (6,600) |  |
Misstatement between line items in the Consolidated Statements of Cash Flows |  |  |  |  |  |  |  | 18,300 | 49,200 |
Reduction of notes payable |  | $ 3,100 |  |  |  |  |  |  |  |
Other Misstatements, Excise Tax Credit [Member] | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to income before income taxes |  |  |  |  |  |  |  | 1,300 |  |
Increase (decrease) to cost of goods sold |  |  |  |  |  |  |  | (13,700) |  |
Other Misstatements, Valuation of Derivatives [Member] | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to cost of goods sold |  |  |  | $ 1,300 |  |  |  | (6,600) |  |
Other Misstatements, Postretirement Benefit Plan Activity | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to cost of goods sold |  |  |  |  |  |  |  | (2,600) |  |
Other Misstatements, Timing Difference | Restatement Adjustments |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |
Increase (decrease) to cost of goods sold |  |  |  |  |  |  |  | $ 18,800 |  |
Decrease of inventory |  |  |  |  |  |  |  |  | 24,100 |
Increase in accounts receivable |  |  |  |  |  |  |  |  | $ 24,100 |

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