DERIVATIVES - Schedule of Commodity Swap Contracts Outstanding (Details) - Cash Flow Hedge $ in Millions	9 Months Ended	12 Months Ended
Jul. 04, 2021 USD ($) t	Sep. 30, 2020 USD ($) t
Brass swap contracts
Derivative [Line Items]
Notional \| t	795.4	949.0
Contract Value \| $	$ 5.1	$ 4.4
Zinc swap contracts
Derivative [Line Items]
Notional \| t	2,947.5	1,552.0
Contract Value \| $	$ 8.2	$ 3.4

Nominal or face amount used to calculate payment on derivative.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant