Goodwill, Period Increase (Decrease), Percent

No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
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- Definition

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.

+ References

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+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

+ Details

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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019
Goodwill [Line Items]
Amortization of intangible assets	$ 20,788,000	$ 16,926,000	$ 64,166,000	$ 43,244,000
Asset impairment			$ 0		$ 67,372,000
Percent of estimated future cash flows exceeding carrying value	8.00%		1.00%
Goodwill	$ 713,880,000		$ 713,880,000		710,071,000
Performance Materials [Member]
Goodwill [Line Items]
Goodwill	357,635,000		357,635,000		$ 357,274,000
Performance Materials [Member] \| Wood Treatment
Goodwill [Line Items]
Goodwill	35,000,000		35,000,000
Intangible assets	$ 8,000,000		$ 8,000,000