TAXES ON INCOME - Income Tax Rate Reconciliation (Details)	12 Months Ended
Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Income Tax Disclosure [Abstract]
Federal statutory income tax rate	21.00%	21.00%	21.00%
State and local taxes, net of federal tax benefit	0.30%	1.00%	(0.90%)
Mandatory repatriation tax on foreign earnings	0.00%	0.00%	1.90%
Return to provision	4.20%	2.80%	(4.70%)
Research and development credit	(4.20%)	3.70%	(10.20%)
Prior year research and development credit	(0.30%)	0.00%	0.00%
Prior year deferred tax adjustments	0.00%	0.40%	4.70%
Foreign rate difference	1.70%	(0.40%)	6.00%
Foreign research innovation box	(3.80%)	0.00%	0.00%
Change in valuation allowance	8.40%	(11.00%)	11.20%
U.S. tax reform - international provisions	(0.007)	0	(0.047)
U.S. net operating loss carryback	5.20%	5.60%	0.00%
Other	5.60%	(2.20%)	2.20%
Effective tax rate	37.40%	20.90%	26.50%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SAB Topic 6.I.Fact.4)
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

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-SubTopic 10
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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