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ACQUISITIONS (Details) £ in Thousands, $ in Thousands, $ in Thousands |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |
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Jun. 04, 2018 USD ($) | Feb. 13, 2018 GBP (£) | Feb. 13, 2018 USD ($) | Nov. 06, 2017 USD ($) | Oct. 02, 2017 USD ($) | Sep. 29, 2017 AUD ($) | Sep. 29, 2017 USD ($) | Jul. 31, 2017 GBP (£) | Jul. 31, 2017 USD ($) | Dec. 30, 2016 AUD ($) | Dec. 30, 2016 USD ($) | Feb. 14, 2016 USD ($) | Oct. 31, 2018 USD ($) | Dec. 31, 2015 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2016 | Jul. 31, 2017 USD ($) | May 18, 2016 | Dec. 31, 2014 | Nov. 30, 2014 | Feb. 27, 2014
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,320 | $ 378 | $ 2,348 |  | $ 6,145 |  |  |  |  |  |
Effective tax provision (benefit) rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.60% | (6.50%) | 38.60% |  |  |  |  |
Harper Brush Works [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  | $ 4,383 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 2,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ClosetMaid LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  | $ 185,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Definite-lived intangibles |  |  |  |  | 26,840 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | 74,580 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable (1) |  |  |  |  | $ 32,234 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring charges adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (900) |  |  |  |  |  |
Effective tax provision (benefit) rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 39.70% |  |  |  |  |  |
Tuscan Landscape Group Pty LTS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  | $ 3,900 |  |  |  | $ 6,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable (1) |  |  |  |  |  | 7,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tuscan Landscape Group Pty LTS [Member] | AMES Australia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  |  | $ 22,250 | $ 18,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
La Hacienda Limited [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | £ |  |  |  |  |  |  |  | £ 3,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable (1) | £ |  |  |  |  |  |  |  | 4,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
La Hacienda Limited [Member] | The AMES Companies, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  |  |  |  | 9,175 | $ 11,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  |  |  |  |  |  | £ 790 |  |  |  |  |  |  |  |  |  |  |  |  | $ 600 |  |  |  |
Hills Home Living [Member] | AMES Australia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  |  |  |  |  |  | 8,400 | $ 6,051 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nylex Plastics Pty Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  |  |  |  |  |  | $ 2,452 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nylex Plastics Pty Ltd. [Member] | AMES Australia [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  |  |  |  |  |  |  |  |  |  |  | $ 1,744 |  |  |  |  |  |  |  |  |  |  |  |  |
Cornell Cookson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred | $ 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Definite-lived intangibles | 14,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets | 67,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable (1) | 30,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Working capital adjustment | $ 12,426 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Kelkay [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, consideration transferred |  | £ 40,452 | $ 56,118 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  | 7,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land acquired |  |  | 8,241 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable and inventory |  |  | 8,894 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mahindra Telephonics Integrated Systems [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Interest in Joint Venture |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,726 |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49.00% | 26.00% |
Subsequent Event [Member] | Cornell Cookson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire businesses |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,219 |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses [Member] | ClosetMaid LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,097 |  |  |  |  |  |  |
Cost of Sales [Member] | ClosetMaid LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500 |  |  |  |  |  |  |
Senior Notes Two Thousand Twenty Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  | 5.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.25% |  |  | 5.25%
Senior Notes Two Thousand Twenty Two [Member] | ClosetMaid LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.25%
Senior note due 2022 [Member] | Senior notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  |  | $ 275,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.25%
Senior note due 2022 [Member] | Senior notes [Member] | ClosetMaid LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  |  | $ 275,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior note due 2022 [Member] | Senior notes [Member] | Cornell Cookson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,617 |  |  |  |  |  |
Trade Names [Member] | Kelkay [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Definite-lived intangibles |  |  | 19,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships [Member] | Kelkay [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ACQUISITIONS (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Definite-lived intangibles |  |  | $ 6,640 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 real estate acquired, at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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