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IMPAIRMENT, RESTRUCTURING AND OTHER - Impairment, Restructuring and Other Charges (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 0.7	$ (2.5)
Total impairment, restructuring and other charges (recoveries)	9.7	(2.2)
COVID-19 related costs | Cost of sales—impairment, restructuring and other
Restructuring Cost and Reserve [Line Items]
Restructuring charges and adjustments	8.7	0.0
COVID-19 related costs | Operating expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges and adjustments	0.6	0.0
Restructuring and other charges | Cost of sales—impairment, restructuring and other
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	0.3	0.3
Restructuring and other charges | Operating expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 0.1	$ (2.5)

X

- Definition

The aggregate costs and expenses related to impairment restructuring and other charges (recoveries). Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items).

+ References

No definition available.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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-Publisher FASB
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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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Amount of restructuring charges, remediation cost, and asset impairment loss.

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-Name Accounting Standards Codification
-Topic 220
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