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BUSINESS COMBINATIONS - Allocation of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Sep. 30, 2017 | Jul. 02, 2017
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 56,649 | $ 56,318 |
Liteq B.V. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Prepaid expenses and other current assets |  |  | $ 199
Property, plant and equipment |  |  | 107
Intangibles |  |  | 18,060
Goodwill |  |  | 10,253
Accounts payable |  |  | (157)
Accrued expenses and other current liabilities |  |  | (103)
Deferred tax liabilities |  |  | (1,240)
Total purchase price, net of cash acquired |  |  | $ 27,119

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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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