GOODWILL AND OTHER INTANGIBLES - Summary of Changes in Carrying Value of Goodwill (Details) $ in Thousands	3 Months Ended
Dec. 31, 2019 USD ($)
Goodwill [Roll Forward]
September 30, 2019	$ 437,067
Goodwill from acquisitions	7,942
Other adjustments including currency translations	1,581
December 31, 2019	446,590
Consumer and Professional Products
Goodwill [Roll Forward]
September 30, 2019	227,269
Goodwill from acquisitions	7,942
Other adjustments including currency translations	1,581
December 31, 2019	236,792
Home and Building Products
Goodwill [Roll Forward]
September 30, 2019	191,253
Goodwill from acquisitions	0
Other adjustments including currency translations	0
December 31, 2019	191,253
Defense Electronics
Goodwill [Roll Forward]
September 30, 2019	18,545
Goodwill from acquisitions	0
Other adjustments including currency translations	0
December 31, 2019	$ 18,545

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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