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NEW MARKETS TAX CREDIT TRANSACTIONS (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 31, 2017 | Feb. 28, 2017 | May 31, 2017
Fund 222 | Qualified Equity Investment Loans |  |  |
Income Tax Contingency [Line Items] |  |  |
Loans payable | $ 2.1 |  | $ 2.1
Micro-Mill Project |  |  |
Income Tax Contingency [Line Items] |  |  |
Capital contribution received under new markets tax program |  | $ 17.7 |
Payments for qualified construction, development and equipping activities |  |  | 21.0
Restricted cash | 0.7 |  | 0.7
Micro-Mill Project | Commonwealth |  |  |
Income Tax Contingency [Line Items] |  |  |
Loans receivable |  | $ 35.3 |
Loan receivable, interest rate |  | 1.08% |
Micro-Mill Project | Investment Fund |  |  |
Income Tax Contingency [Line Items] |  |  |
Qualified equity investment into community development entities |  |  | 51.5
Micro-Mill Project | Qualified Equity Investment Loans | CMC Steel Oklahoma, LLC |  |  |
Income Tax Contingency [Line Items] |  |  |
Loans payable | 50.7 |  | 50.7
Post Shop Project |  |  |
Income Tax Contingency [Line Items] |  |  |
Restricted cash | 13.3 |  | 13.3
Post Shop Project | Fund 219 |  |  |
Income Tax Contingency [Line Items] |  |  |
Capital contribution received under new markets tax program | 2.8 |  |
Loans receivable | $ 10.4 |  | $ 10.4
Loan receivable, interest rate | 1.16% |  | 1.16%
Qualified equity investment into community development entities |  |  | $ 12.8
Post Shop Project | Fund 219 | Qualified Equity Investment Loans | CMC Steel Oklahoma, LLC |  |  |
Income Tax Contingency [Line Items] |  |  |
Loans payable | $ 12.6 |  | 12.6
Post Shop Project | Fund 222 |  |  |
Income Tax Contingency [Line Items] |  |  |
Capital contribution received under new markets tax program | 2.2 |  |
Qualified equity investment into community development entities |  |  | 2.2
Post Shop Project | Fund 222 | Qualified Equity Investment Loans | CMC Steel Oklahoma, LLC |  |  |
Income Tax Contingency [Line Items] |  |  |
Loans payable | $ 2.1 |  | $ 2.1

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