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DEBT AND OTHER OBLIGATIONS DEBT AND OTHER OBLIGATIONS (Details) $ in Thousands, $ in Millions |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 01, 2013 SGD ($) renewal_option | Jun. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Dec. 01, 2013 USD ($) ft² | Nov. 22, 2013 USD ($)
Capital Leased Assets [Line Items] |  |  |  |  |
Area of Land | ft² |  |  |  | 198,000 |
Financing obligation |  | $ 15,437 | $ 16,074 | $ 20,000 |
K&S Corporate Headquarters [Member] |  |  |  |  |
Capital Leased Assets [Line Items] |  |  |  |  |
Lease Agreement Term | 10 years | 10 years |  |  |
Lessee Leasing Arrangements, Capital Leases, Number of Renewal Options | renewal_option | 2 |  |  |  |
Lessee Leasing Arrangements, Capital Leases, Renewal Term | 10 years |  |  |  |
Annual Rent and Service Charge Minimum Range | $ 4 |  |  |  |
Annual Rent and Service Charge Maximum Range | $ 5 |  |  |  |
Area of Land | ft² |  |  |  | 198,000 |
Percentage Of Building Area To Be Leased From Landlord |  |  |  | 70.00% |
Capital Lease Obligations, Interest Rate, Effective Percentage |  |  |  | 6.30% |
Citibank [Member] |  |  |  |  |
Capital Leased Assets [Line Items] |  |  |  |  |
Capacity under credit facility |  |  |  |  | $ 5,000
Outstanding amounts under credit facility |  | $ 2,900 |  |  |
Current and Noncurrent Portion [Member] |  |  |  |  |
Capital Leased Assets [Line Items] |  |  |  |  |
Financing obligation |  | $ 16,200 |  |  |

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