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DEBT (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands | Aug. 31, 2018 | Aug. 31, 2017 | Aug. 31, 2016
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |  |
Total | $ 102,575 | [1] | $ 106,297 | [2] | $ 88,107 | [3]
Less: current portion | 14,855 |  | 18,358 |  | 14,565 |
Long-term debt, net of current portion | 87,720 |  | 87,939 |  | $ 73,542 |
Long term debt with balloon payment [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | 9,509 |  | 18,200 |  |  |
Interest Rate Swap With Non-Cash Assets And/Or Cash Or Cash Equivalents [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | 60,849 |  | 49,424 |  |  |
Non-Cash Assets And/Or Cash Or Cash Equivalents [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | 4,392 |  | 17,585 |  |  |
Cross Currency Interest Rate Swap With Non-Cash Assets And/Or Cash Or Cash Equivalents [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | $ 27,825 |  | $ 21,088 |  |  |
[1] | The carrying amount on non-cash assets assigned as collateral for these loans was $125.9 million. No cash assets were assigned as collateral for these loans as of August 31, 2017.
[2] | The carrying amount on non-cash assets assigned as collateral for these loans was $128.4 million. No cash assets were assigned as collateral for these loans.
[3] | The carrying amount on non-cash assets assigned as collateral for these loans was $102.4 million. No cash assets were assigned as collateral for these loans.

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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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