Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital

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Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accounts Payable And Accrued Liabilities

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Accounts Receivable And Inventory

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount of liability recognized arising from contingent consideration in a business combination.

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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.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of real estate acquired, at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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ACQUISITIONS (Details) £ in Thousands, $ in Thousands								3 Months Ended			12 Months Ended
ACQUISITIONS (Details) £ in Thousands, $ in Thousands	Nov. 29, 2019 GBP (£)	Nov. 29, 2019 USD ($)	Jun. 04, 2018 USD ($)	Feb. 13, 2018 GBP (£)	Feb. 13, 2018 USD ($)	Nov. 06, 2017 USD ($)	Oct. 02, 2017 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill								$ 442,643		$ 437,067	$ 442,643	$ 437,067	$ 439,395
Contingent consideration earned								$ (1,403)		$ 1,333	1,733	1,646	0
Acquisition related costs									$ 2,321		$ 2,960	$ 0
CornellCookson
Business Acquisition [Line Items]
Revenues													66,654
Selling, General and Administrative Expenses
Business Acquisition [Line Items]
Acquisition related costs													6,097
Cost of Sales
Business Acquisition [Line Items]
Acquisition related costs													$ 1,500
Vatre Group Limited
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	100.00%
Business combination, consideration transferred	£ 8,750	$ 10,500
Goodwill \| £	3,449
Intangible assets \| £	3,454
Inventories \| £	2,914
Accounts receivable \| £	2,492
Accounts payable and other accrued liabilities \| £	£ 3,765
CornellCookson
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired			100.00%
Business combination, consideration transferred			$ 180,000
Goodwill			43,183
Intangible assets			67,600
Inventories			12,336
Accounts receivable			30,400
Working capital adjustment			12,426
Definite-lived intangibles			14,100
Property, plant and equipment			$ 49,426
Kelkay
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired					100.00%
Business combination, consideration transferred				£ 40,452	$ 56,118
Contingent consideration					7,000
Contingent consideration earned \| £				£ 2,200
Accounts receivable and inventory					8,894
Land acquired					8,241
Kelkay \| Trade Names
Business Acquisition [Line Items]
Definite-lived intangibles					19,000
Kelkay \| Customer Relationships
Business Acquisition [Line Items]
Definite-lived intangibles					$ 6,640
Harper Brush Works
Business Acquisition [Line Items]
Business combination, consideration transferred						$ 4,383
Intangible assets						2,300
Accounts receivable						3,900
Property, plant and equipment						$ 900
ClosetMaid LLC
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired							100.00%
Business combination, consideration transferred							$ 185,700
Goodwill							70,159
Intangible assets							74,580
Inventories							28,411
Accounts receivable							32,234
Definite-lived intangibles							26,840
Property, plant and equipment							$ 47,464